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        <a href="psychsim-module.html">Package&nbsp;psychsim</a> ::
        Module&nbsp;world
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<h1 class="epydoc">Source Code for <a href="psychsim.world-module.html">Module psychsim.world</a></h1>
<pre class="py-src">
<a name="L1"></a><tt class="py-lineno">   1</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">bz2</tt> </tt>
<a name="L2"></a><tt class="py-lineno">   2</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">copy</tt> </tt>
<a name="L3"></a><tt class="py-lineno">   3</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">math</tt> </tt>
<a name="L4"></a><tt class="py-lineno">   4</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt class="py-name">xml</tt><tt class="py-op">.</tt><tt class="py-name">dom</tt><tt class="py-op">.</tt><tt class="py-name">minidom</tt> <tt class="py-keyword">import</tt> <tt class="py-name">Document</tt><tt class="py-op">,</tt><tt class="py-name">Node</tt><tt class="py-op">,</tt><tt class="py-name">parseString</tt> </tt>
<a name="L5"></a><tt class="py-lineno">   5</tt>  <tt class="py-line"> </tt>
<a name="L6"></a><tt class="py-lineno">   6</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-0" class="py-name" targets="Module psychsim.action=psychsim.action-module.html"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-0', 'action', 'link-0');">action</a></tt> <tt class="py-keyword">import</tt> <tt id="link-1" class="py-name" targets="Class psychsim.action.ActionSet=psychsim.action.ActionSet-class.html"><a title="psychsim.action.ActionSet" class="py-name" href="#" onclick="return doclink('link-1', 'ActionSet', 'link-1');">ActionSet</a></tt><tt class="py-op">,</tt><tt id="link-2" class="py-name" targets="Class psychsim.action.Action=psychsim.action.Action-class.html"><a title="psychsim.action.Action" class="py-name" href="#" onclick="return doclink('link-2', 'Action', 'link-2');">Action</a></tt> </tt>
<a name="L7"></a><tt class="py-lineno">   7</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-3" class="py-name" targets="Module psychsim.pwl=psychsim.pwl-module.html"><a title="psychsim.pwl" class="py-name" href="#" onclick="return doclink('link-3', 'pwl', 'link-3');">pwl</a></tt> <tt class="py-keyword">import</tt> <tt class="py-op">*</tt> </tt>
<a name="L8"></a><tt class="py-lineno">   8</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-4" class="py-name" targets="Module psychsim.probability=psychsim.probability-module.html"><a title="psychsim.probability" class="py-name" href="#" onclick="return doclink('link-4', 'probability', 'link-4');">probability</a></tt> <tt class="py-keyword">import</tt> <tt id="link-5" class="py-name" targets="Class psychsim.probability.Distribution=psychsim.probability.Distribution-class.html"><a title="psychsim.probability.Distribution" class="py-name" href="#" onclick="return doclink('link-5', 'Distribution', 'link-5');">Distribution</a></tt> </tt>
<a name="L9"></a><tt class="py-lineno">   9</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-6" class="py-name" targets="Module psychsim.agent=psychsim.agent-module.html"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-6', 'agent', 'link-6');">agent</a></tt> <tt class="py-keyword">import</tt> <tt id="link-7" class="py-name" targets="Class psychsim.agent.Agent=psychsim.agent.Agent-class.html"><a title="psychsim.agent.Agent" class="py-name" href="#" onclick="return doclink('link-7', 'Agent', 'link-7');">Agent</a></tt> </tt>
<a name="L10"></a><tt class="py-lineno">  10</tt>  <tt class="py-line"> </tt>
<a name="World"></a><div id="World-def"><a name="L11"></a><tt class="py-lineno">  11</tt> <a class="py-toggle" href="#" id="World-toggle" onclick="return toggle('World');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="psychsim.world.World-class.html">World</a><tt class="py-op">:</tt> </tt>
</div><div id="World-collapsed" style="display:none;" pad="++++" indent="++++"></div><div id="World-expanded"><a name="L12"></a><tt class="py-lineno">  12</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L13"></a><tt class="py-lineno">  13</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar agents: table of agents in this world, indexed by name</tt> </tt>
<a name="L14"></a><tt class="py-lineno">  14</tt>  <tt class="py-line"><tt class="py-docstring">    @type agents: strS{-&gt;}L{Agent}</tt> </tt>
<a name="L15"></a><tt class="py-lineno">  15</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar state: the distribution over states of the world</tt> </tt>
<a name="L16"></a><tt class="py-lineno">  16</tt>  <tt class="py-line"><tt class="py-docstring">    @type state: L{VectorDistribution}</tt> </tt>
<a name="L17"></a><tt class="py-lineno">  17</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar features: definitions of state features, over agents and the world itself</tt> </tt>
<a name="L18"></a><tt class="py-lineno">  18</tt>  <tt class="py-line"><tt class="py-docstring">    @type features: dict</tt> </tt>
<a name="L19"></a><tt class="py-lineno">  19</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar symbols: utility storage of symbols used across all enumerated state features</tt> </tt>
<a name="L20"></a><tt class="py-lineno">  20</tt>  <tt class="py-line"><tt class="py-docstring">    @type symbols: strS{-&gt;}int</tt> </tt>
<a name="L21"></a><tt class="py-lineno">  21</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar dynamics: table of action effect models</tt> </tt>
<a name="L22"></a><tt class="py-lineno">  22</tt>  <tt class="py-line"><tt class="py-docstring">    @type dynamics: dict</tt> </tt>
<a name="L23"></a><tt class="py-lineno">  23</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar dependency: table of dependencies among state features that impose temporal constraints</tt> </tt>
<a name="L24"></a><tt class="py-lineno">  24</tt>  <tt class="py-line"><tt class="py-docstring">    @type dependency: dict</tt> </tt>
<a name="L25"></a><tt class="py-lineno">  25</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar history: accumulated list of outcomes from simulation steps</tt> </tt>
<a name="L26"></a><tt class="py-lineno">  26</tt>  <tt class="py-line"><tt class="py-docstring">    @type history: list</tt> </tt>
<a name="L27"></a><tt class="py-lineno">  27</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar termination: list of conditions under which the simulation terminates (default is none)</tt> </tt>
<a name="L28"></a><tt class="py-lineno">  28</tt>  <tt class="py-line"><tt class="py-docstring">    @type termination: L{KeyedTree}[]</tt> </tt>
<a name="L29"></a><tt class="py-lineno">  29</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L30"></a><tt class="py-lineno">  30</tt>  <tt class="py-line">    <tt id="link-8" class="py-name" targets="Variable psychsim.world.World.__NORMALIZE__=psychsim.world.World-class.html#__NORMALIZE__"><a title="psychsim.world.World.__NORMALIZE__" class="py-name" href="#" onclick="return doclink('link-8', '__NORMALIZE__', 'link-8');">__NORMALIZE__</a></tt> <tt class="py-op">=</tt> <tt class="py-name">False</tt> </tt>
<a name="L31"></a><tt class="py-lineno">  31</tt>  <tt class="py-line"> </tt>
<a name="World.__init__"></a><div id="World.__init__-def"><a name="L32"></a><tt class="py-lineno">  32</tt> <a class="py-toggle" href="#" id="World.__init__-toggle" onclick="return toggle('World.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">xml</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.__init__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.__init__-expanded"><a name="L33"></a><tt class="py-lineno">  33</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L34"></a><tt class="py-lineno">  34</tt>  <tt class="py-line"><tt class="py-docstring">        @param xml: Initialization argument, either an XML Element, or a filename</tt> </tt>
<a name="L35"></a><tt class="py-lineno">  35</tt>  <tt class="py-line"><tt class="py-docstring">        @type xml: Node or str</tt> </tt>
<a name="L36"></a><tt class="py-lineno">  36</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L37"></a><tt class="py-lineno">  37</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L38"></a><tt class="py-lineno">  38</tt>  <tt class="py-line"> </tt>
<a name="L39"></a><tt class="py-lineno">  39</tt>  <tt class="py-line">        <tt class="py-comment"># State feature information</tt> </tt>
<a name="L40"></a><tt class="py-lineno">  40</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">state</tt> <tt class="py-op">=</tt> <tt id="link-9" class="py-name" targets="Class psychsim.pwl.VectorDistribution=psychsim.pwl.VectorDistribution-class.html"><a title="psychsim.pwl.VectorDistribution" class="py-name" href="#" onclick="return doclink('link-9', 'VectorDistribution', 'link-9');">VectorDistribution</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L41"></a><tt class="py-lineno">  41</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L42"></a><tt class="py-lineno">  42</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">symbols</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L43"></a><tt class="py-lineno">  43</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">ranges</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L44"></a><tt class="py-lineno">  44</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">termination</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L45"></a><tt class="py-lineno">  45</tt>  <tt class="py-line"> </tt>
<a name="L46"></a><tt class="py-lineno">  46</tt>  <tt class="py-line">        <tt class="py-comment"># Action effect information</tt> </tt>
<a name="L47"></a><tt class="py-lineno">  47</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">dynamics</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L48"></a><tt class="py-lineno">  48</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">dependency</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L49"></a><tt class="py-lineno">  49</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">evaluationOrder</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt id="link-10" class="py-name" targets="Method psychsim.agent.ValueFunction.set()=psychsim.agent.ValueFunction-class.html#set,Method psychsim.probability.Distribution.set()=psychsim.probability.Distribution-class.html#set"><a title="psychsim.agent.ValueFunction.set
psychsim.probability.Distribution.set" class="py-name" href="#" onclick="return doclink('link-10', 'set', 'link-10');">set</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">]</tt> </tt>
<a name="L50"></a><tt class="py-lineno">  50</tt>  <tt class="py-line"> </tt>
<a name="L51"></a><tt class="py-lineno">  51</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">history</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L52"></a><tt class="py-lineno">  52</tt>  <tt class="py-line"> </tt>
<a name="L53"></a><tt class="py-lineno">  53</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">xml</tt><tt class="py-op">,</tt><tt class="py-name">Node</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L54"></a><tt class="py-lineno">  54</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-11" class="py-name" targets="Method psychsim.action.Action.parse()=psychsim.action.Action-class.html#parse,Method psychsim.agent.Agent.parse()=psychsim.agent.Agent-class.html#parse,Method psychsim.agent.ValueFunction.parse()=psychsim.agent.ValueFunction-class.html#parse,Method psychsim.probability.Distribution.parse()=psychsim.probability.Distribution-class.html#parse,Method psychsim.pwl.KeyedMatrix.parse()=psychsim.pwl.KeyedMatrix-class.html#parse,Method psychsim.pwl.KeyedPlane.parse()=psychsim.pwl.KeyedPlane-class.html#parse,Method psychsim.pwl.KeyedTree.parse()=psychsim.pwl.KeyedTree-class.html#parse,Method psychsim.pwl.KeyedVector.parse()=psychsim.pwl.KeyedVector-class.html#parse,Method psychsim.world.World.parse()=psychsim.world.World-class.html#parse"><a title="psychsim.action.Action.parse
psychsim.agent.Agent.parse
psychsim.agent.ValueFunction.parse
psychsim.probability.Distribution.parse
psychsim.pwl.KeyedMatrix.parse
psychsim.pwl.KeyedPlane.parse
psychsim.pwl.KeyedTree.parse
psychsim.pwl.KeyedVector.parse
psychsim.world.World.parse" class="py-name" href="#" onclick="return doclink('link-11', 'parse', 'link-11');">parse</a></tt><tt class="py-op">(</tt><tt class="py-name">xml</tt><tt class="py-op">)</tt> </tt>
<a name="L55"></a><tt class="py-lineno">  55</tt>  <tt class="py-line">        <tt class="py-keyword">elif</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">xml</tt><tt class="py-op">,</tt><tt class="py-name">str</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L56"></a><tt class="py-lineno">  56</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">xml</tt><tt class="py-op">[</tt><tt class="py-op">-</tt><tt class="py-number">4</tt><tt class="py-op">:</tt><tt class="py-op">]</tt> <tt class="py-op">==</tt> <tt class="py-string">'.xml'</tt><tt class="py-op">:</tt> </tt>
<a name="L57"></a><tt class="py-lineno">  57</tt>  <tt class="py-line">                <tt class="py-comment"># Uncompressed</tt> </tt>
<a name="L58"></a><tt class="py-lineno">  58</tt>  <tt class="py-line">                <tt class="py-name">f</tt> <tt class="py-op">=</tt> <tt class="py-name">file</tt><tt class="py-op">(</tt><tt class="py-name">xml</tt><tt class="py-op">,</tt><tt class="py-string">'r'</tt><tt class="py-op">)</tt> </tt>
<a name="L59"></a><tt class="py-lineno">  59</tt>  <tt class="py-line">            <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L60"></a><tt class="py-lineno">  60</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">xml</tt><tt class="py-op">[</tt><tt class="py-op">-</tt><tt class="py-number">4</tt><tt class="py-op">:</tt><tt class="py-op">]</tt> <tt class="py-op">!=</tt> <tt class="py-string">'.psy'</tt><tt class="py-op">:</tt> </tt>
<a name="L61"></a><tt class="py-lineno">  61</tt>  <tt class="py-line">                    <tt class="py-name">xml</tt> <tt class="py-op">=</tt> <tt class="py-string">'%s.psy'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">xml</tt><tt class="py-op">)</tt> </tt>
<a name="L62"></a><tt class="py-lineno">  62</tt>  <tt class="py-line">                <tt class="py-name">f</tt> <tt class="py-op">=</tt> <tt class="py-name">bz2</tt><tt class="py-op">.</tt><tt class="py-name">BZ2File</tt><tt class="py-op">(</tt><tt class="py-name">xml</tt><tt class="py-op">,</tt><tt class="py-string">'r'</tt><tt class="py-op">)</tt> </tt>
<a name="L63"></a><tt class="py-lineno">  63</tt>  <tt class="py-line">            <tt class="py-name">doc</tt> <tt class="py-op">=</tt> <tt class="py-name">parseString</tt><tt class="py-op">(</tt><tt class="py-name">f</tt><tt class="py-op">.</tt><tt class="py-name">read</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L64"></a><tt class="py-lineno">  64</tt>  <tt class="py-line">            <tt class="py-name">f</tt><tt class="py-op">.</tt><tt class="py-name">close</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L65"></a><tt class="py-lineno">  65</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-12" class="py-name"><a title="psychsim.action.Action.parse
psychsim.agent.Agent.parse
psychsim.agent.ValueFunction.parse
psychsim.probability.Distribution.parse
psychsim.pwl.KeyedMatrix.parse
psychsim.pwl.KeyedPlane.parse
psychsim.pwl.KeyedTree.parse
psychsim.pwl.KeyedVector.parse
psychsim.world.World.parse" class="py-name" href="#" onclick="return doclink('link-12', 'parse', 'link-11');">parse</a></tt><tt class="py-op">(</tt><tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">documentElement</tt><tt class="py-op">)</tt> </tt>
<a name="L66"></a><tt class="py-lineno">  66</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L67"></a><tt class="py-lineno">  67</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">state</tt><tt class="py-op">[</tt><tt id="link-13" class="py-name" targets="Class psychsim.pwl.KeyedVector=psychsim.pwl.KeyedVector-class.html"><a title="psychsim.pwl.KeyedVector" class="py-name" href="#" onclick="return doclink('link-13', 'KeyedVector', 'link-13');">KeyedVector</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt id="link-14" class="py-name" targets="Variable psychsim.pwl.CONSTANT=psychsim.pwl-module.html#CONSTANT"><a title="psychsim.pwl.CONSTANT" class="py-name" href="#" onclick="return doclink('link-14', 'CONSTANT', 'link-14');">CONSTANT</a></tt><tt class="py-op">:</tt> <tt class="py-number">1.</tt><tt class="py-op">}</tt><tt class="py-op">)</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-number">1.</tt> </tt>
</div><a name="L68"></a><tt class="py-lineno">  68</tt>  <tt class="py-line"> </tt>
<a name="World.initialize"></a><div id="World.initialize-def"><a name="L69"></a><tt class="py-lineno">  69</tt> <a class="py-toggle" href="#" id="World.initialize-toggle" onclick="return toggle('World.initialize');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#initialize">initialize</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.initialize-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.initialize-expanded"><a name="L70"></a><tt class="py-lineno">  70</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">.</tt><tt id="link-15" class="py-name" targets="Method psychsim.action.Action.clear()=psychsim.action.Action-class.html#clear,Method psychsim.probability.Distribution.clear()=psychsim.probability.Distribution-class.html#clear"><a title="psychsim.action.Action.clear
psychsim.probability.Distribution.clear" class="py-name" href="#" onclick="return doclink('link-15', 'clear', 'link-15');">clear</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L71"></a><tt class="py-lineno">  71</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">.</tt><tt id="link-16" class="py-name"><a title="psychsim.action.Action.clear
psychsim.probability.Distribution.clear" class="py-name" href="#" onclick="return doclink('link-16', 'clear', 'link-15');">clear</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L72"></a><tt class="py-lineno">  72</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">symbols</tt><tt class="py-op">.</tt><tt id="link-17" class="py-name"><a title="psychsim.action.Action.clear
psychsim.probability.Distribution.clear" class="py-name" href="#" onclick="return doclink('link-17', 'clear', 'link-15');">clear</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L73"></a><tt class="py-lineno">  73</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">ranges</tt><tt class="py-op">.</tt><tt id="link-18" class="py-name"><a title="psychsim.action.Action.clear
psychsim.probability.Distribution.clear" class="py-name" href="#" onclick="return doclink('link-18', 'clear', 'link-15');">clear</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L74"></a><tt class="py-lineno">  74</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">dynamics</tt><tt class="py-op">.</tt><tt id="link-19" class="py-name"><a title="psychsim.action.Action.clear
psychsim.probability.Distribution.clear" class="py-name" href="#" onclick="return doclink('link-19', 'clear', 'link-15');">clear</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L75"></a><tt class="py-lineno">  75</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">dependency</tt><tt class="py-op">.</tt><tt id="link-20" class="py-name"><a title="psychsim.action.Action.clear
psychsim.probability.Distribution.clear" class="py-name" href="#" onclick="return doclink('link-20', 'clear', 'link-15');">clear</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L76"></a><tt class="py-lineno">  76</tt>  <tt class="py-line">        <tt class="py-keyword">del</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">evaluationOrder</tt><tt class="py-op">[</tt><tt class="py-op">:</tt><tt class="py-op">]</tt> </tt>
<a name="L77"></a><tt class="py-lineno">  77</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">evaluationOrder</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt id="link-21" class="py-name"><a title="psychsim.agent.ValueFunction.set
psychsim.probability.Distribution.set" class="py-name" href="#" onclick="return doclink('link-21', 'set', 'link-10');">set</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L78"></a><tt class="py-lineno">  78</tt>  <tt class="py-line">        <tt class="py-keyword">del</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">history</tt><tt class="py-op">[</tt><tt class="py-op">:</tt><tt class="py-op">]</tt> </tt>
<a name="L79"></a><tt class="py-lineno">  79</tt>  <tt class="py-line">        <tt class="py-keyword">del</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">termination</tt><tt class="py-op">[</tt><tt class="py-op">:</tt><tt class="py-op">]</tt> </tt>
</div><a name="L80"></a><tt class="py-lineno">  80</tt>  <tt class="py-line"> </tt>
<a name="L81"></a><tt class="py-lineno">  81</tt>  <tt class="py-line">    <tt class="py-string">"""------------------"""</tt> </tt>
<a name="L82"></a><tt class="py-lineno">  82</tt>  <tt class="py-line">    <tt class="py-string">"""Simulation methods"""</tt> </tt>
<a name="L83"></a><tt class="py-lineno">  83</tt>  <tt class="py-line">    <tt class="py-string">"""------------------"""</tt> </tt>
<a name="L84"></a><tt class="py-lineno">  84</tt>  <tt class="py-line">     </tt>
<a name="World.step"></a><div id="World.step-def"><a name="L85"></a><tt class="py-lineno">  85</tt> <a class="py-toggle" href="#" id="World.step-toggle" onclick="return toggle('World.step');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#step">step</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">actions</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">state</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">real</tt><tt class="py-op">=</tt><tt class="py-name">True</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.step-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.step-expanded"><a name="L86"></a><tt class="py-lineno">  86</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L87"></a><tt class="py-lineno">  87</tt>  <tt class="py-line"><tt class="py-docstring">        The simulation method</tt> </tt>
<a name="L88"></a><tt class="py-lineno">  88</tt>  <tt class="py-line"><tt class="py-docstring">        @param actions: optional argument setting a subset of actions to be performed in this turn</tt> </tt>
<a name="L89"></a><tt class="py-lineno">  89</tt>  <tt class="py-line"><tt class="py-docstring">        @type actions: strS{-&gt;}L{ActionSet}</tt> </tt>
<a name="L90"></a><tt class="py-lineno">  90</tt>  <tt class="py-line"><tt class="py-docstring">        @param state: optional initial state distribution (default is the current world state distribution)</tt> </tt>
<a name="L91"></a><tt class="py-lineno">  91</tt>  <tt class="py-line"><tt class="py-docstring">        @type state: L{VectorDistribution}</tt> </tt>
<a name="L92"></a><tt class="py-lineno">  92</tt>  <tt class="py-line"><tt class="py-docstring">        @param real: if C{True}, then modify the given state; otherwise, this is only hypothetical (default is C{True})</tt> </tt>
<a name="L93"></a><tt class="py-lineno">  93</tt>  <tt class="py-line"><tt class="py-docstring">        @type real: bool</tt> </tt>
<a name="L94"></a><tt class="py-lineno">  94</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L95"></a><tt class="py-lineno">  95</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">state</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L96"></a><tt class="py-lineno">  96</tt>  <tt class="py-line">            <tt class="py-name">state</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">state</tt> </tt>
<a name="L97"></a><tt class="py-lineno">  97</tt>  <tt class="py-line">        <tt class="py-name">outcomes</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L98"></a><tt class="py-lineno">  98</tt>  <tt class="py-line">        <tt class="py-comment"># Iterate through each possible world</tt> </tt>
<a name="L99"></a><tt class="py-lineno">  99</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">stateVector</tt> <tt class="py-keyword">in</tt> <tt class="py-name">state</tt><tt class="py-op">.</tt><tt id="link-22" class="py-name" targets="Method psychsim.probability.Distribution.domain()=psychsim.probability.Distribution-class.html#domain"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-22', 'domain', 'link-22');">domain</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L100"></a><tt class="py-lineno"> 100</tt>  <tt class="py-line">            <tt class="py-name">prob</tt> <tt class="py-op">=</tt> <tt class="py-name">state</tt><tt class="py-op">[</tt><tt class="py-name">stateVector</tt><tt class="py-op">]</tt> </tt>
<a name="L101"></a><tt class="py-lineno"> 101</tt>  <tt class="py-line">            <tt class="py-name">outcome</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-23" class="py-name" targets="Method psychsim.world.World.stepFromState()=psychsim.world.World-class.html#stepFromState"><a title="psychsim.world.World.stepFromState" class="py-name" href="#" onclick="return doclink('link-23', 'stepFromState', 'link-23');">stepFromState</a></tt><tt class="py-op">(</tt><tt class="py-name">stateVector</tt><tt class="py-op">,</tt><tt class="py-name">actions</tt><tt class="py-op">)</tt> </tt>
<a name="L102"></a><tt class="py-lineno"> 102</tt>  <tt class="py-line">            <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'probability'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">prob</tt> </tt>
<a name="L103"></a><tt class="py-lineno"> 103</tt>  <tt class="py-line">            <tt class="py-name">outcomes</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">outcome</tt><tt class="py-op">)</tt> </tt>
<a name="L104"></a><tt class="py-lineno"> 104</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">real</tt><tt class="py-op">:</tt> </tt>
<a name="L105"></a><tt class="py-lineno"> 105</tt>  <tt class="py-line">            <tt class="py-comment"># Apply effects</tt> </tt>
<a name="L106"></a><tt class="py-lineno"> 106</tt>  <tt class="py-line">            <tt class="py-name">state</tt><tt class="py-op">.</tt><tt id="link-24" class="py-name"><a title="psychsim.action.Action.clear
psychsim.probability.Distribution.clear" class="py-name" href="#" onclick="return doclink('link-24', 'clear', 'link-15');">clear</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L107"></a><tt class="py-lineno"> 107</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">outcome</tt> <tt class="py-keyword">in</tt> <tt class="py-name">outcomes</tt><tt class="py-op">:</tt> </tt>
<a name="L108"></a><tt class="py-lineno"> 108</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'new'</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt id="link-25" class="py-name"><a title="psychsim.probability.Distribution" class="py-name" href="#" onclick="return doclink('link-25', 'Distribution', 'link-5');">Distribution</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L109"></a><tt class="py-lineno"> 109</tt>  <tt class="py-line">                    <tt class="py-name">dist</tt> <tt class="py-op">=</tt> <tt class="py-name">map</tt><tt class="py-op">(</tt><tt class="py-keyword">lambda</tt> <tt class="py-name">el</tt><tt class="py-op">:</tt> <tt class="py-op">(</tt><tt class="py-name">el</tt><tt class="py-op">,</tt><tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'new'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">el</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'new'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-26" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-26', 'domain', 'link-22');">domain</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L110"></a><tt class="py-lineno"> 110</tt>  <tt class="py-line">                <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L111"></a><tt class="py-lineno"> 111</tt>  <tt class="py-line">                    <tt class="py-name">dist</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">(</tt><tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'new'</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-number">1.</tt><tt class="py-op">)</tt><tt class="py-op">]</tt> </tt>
<a name="L112"></a><tt class="py-lineno"> 112</tt>  <tt class="py-line">                <tt class="py-keyword">for</tt> <tt class="py-name">new</tt><tt class="py-op">,</tt><tt class="py-name">prob</tt> <tt class="py-keyword">in</tt> <tt class="py-name">dist</tt><tt class="py-op">:</tt> </tt>
<a name="L113"></a><tt class="py-lineno"> 113</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-name">outcome</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-string">'actions'</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L114"></a><tt class="py-lineno"> 114</tt>  <tt class="py-line">                        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-27" class="py-name" targets="Method psychsim.world.World.updateModels()=psychsim.world.World-class.html#updateModels"><a title="psychsim.world.World.updateModels" class="py-name" href="#" onclick="return doclink('link-27', 'updateModels', 'link-27');">updateModels</a></tt><tt class="py-op">(</tt><tt class="py-name">outcome</tt><tt class="py-op">,</tt><tt class="py-name">new</tt><tt class="py-op">)</tt> </tt>
<a name="L115"></a><tt class="py-lineno"> 115</tt>  <tt class="py-line">                    <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L116"></a><tt class="py-lineno"> 116</tt>  <tt class="py-line">                        <tt class="py-name">state</tt><tt class="py-op">[</tt><tt class="py-name">new</tt><tt class="py-op">]</tt> <tt class="py-op">+=</tt> <tt class="py-name">prob</tt><tt class="py-op">*</tt><tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'probability'</tt><tt class="py-op">]</tt> </tt>
<a name="L117"></a><tt class="py-lineno"> 117</tt>  <tt class="py-line">                    <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</tt><tt class="py-op">:</tt> </tt>
<a name="L118"></a><tt class="py-lineno"> 118</tt>  <tt class="py-line">                        <tt class="py-name">state</tt><tt class="py-op">[</tt><tt class="py-name">new</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">prob</tt><tt class="py-op">*</tt><tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'probability'</tt><tt class="py-op">]</tt> </tt>
<a name="L119"></a><tt class="py-lineno"> 119</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">history</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">outcomes</tt><tt class="py-op">)</tt> </tt>
<a name="L120"></a><tt class="py-lineno"> 120</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">outcomes</tt> </tt>
</div><a name="L121"></a><tt class="py-lineno"> 121</tt>  <tt class="py-line"> </tt>
<a name="World.stepFromState"></a><div id="World.stepFromState-def"><a name="L122"></a><tt class="py-lineno"> 122</tt> <a class="py-toggle" href="#" id="World.stepFromState-toggle" onclick="return toggle('World.stepFromState');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#stepFromState">stepFromState</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">vector</tt><tt class="py-op">,</tt><tt class="py-param">actions</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">horizon</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">tiebreak</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.stepFromState-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.stepFromState-expanded"><a name="L123"></a><tt class="py-lineno"> 123</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L124"></a><tt class="py-lineno"> 124</tt>  <tt class="py-line"><tt class="py-docstring">        Compute the resulting states when starting in a given possible world (as opposed to a distribution over possible worlds)</tt> </tt>
<a name="L125"></a><tt class="py-lineno"> 125</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L126"></a><tt class="py-lineno"> 126</tt>  <tt class="py-line">        <tt class="py-name">outcome</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-string">'old'</tt><tt class="py-op">:</tt> <tt class="py-name">vector</tt><tt class="py-op">,</tt> </tt>
<a name="L127"></a><tt class="py-lineno"> 127</tt>  <tt class="py-line">                   <tt class="py-string">'decisions'</tt><tt class="py-op">:</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt><tt class="py-op">}</tt> </tt>
<a name="L128"></a><tt class="py-lineno"> 128</tt>  <tt class="py-line">        <tt class="py-comment"># Check whether we are already in a terminal state</tt> </tt>
<a name="L129"></a><tt class="py-lineno"> 129</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-28" class="py-name" targets="Method psychsim.world.World.terminated()=psychsim.world.World-class.html#terminated"><a title="psychsim.world.World.terminated" class="py-name" href="#" onclick="return doclink('link-28', 'terminated', 'link-28');">terminated</a></tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L130"></a><tt class="py-lineno"> 130</tt>  <tt class="py-line">            <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'new'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'old'</tt><tt class="py-op">]</tt> </tt>
<a name="L131"></a><tt class="py-lineno"> 131</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">outcome</tt> </tt>
<a name="L132"></a><tt class="py-lineno"> 132</tt>  <tt class="py-line">        <tt class="py-comment"># Determine the actions taken by the agents in this world</tt> </tt>
<a name="L133"></a><tt class="py-lineno"> 133</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">actions</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L134"></a><tt class="py-lineno"> 134</tt>  <tt class="py-line">            <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'actions'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L135"></a><tt class="py-lineno"> 135</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L136"></a><tt class="py-lineno"> 136</tt>  <tt class="py-line">            <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'actions'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">copy</tt><tt class="py-op">.</tt><tt class="py-name">copy</tt><tt class="py-op">(</tt><tt class="py-name">actions</tt><tt class="py-op">)</tt> </tt>
<a name="L137"></a><tt class="py-lineno"> 137</tt>  <tt class="py-line">        <tt class="py-comment"># Keep track of whether there is uncertainty about the actions to perform</tt> </tt>
<a name="L138"></a><tt class="py-lineno"> 138</tt>  <tt class="py-line">        <tt class="py-name">stochastic</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L139"></a><tt class="py-lineno"> 139</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'actions'</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt id="link-29" class="py-name"><a title="psychsim.action.ActionSet" class="py-name" href="#" onclick="return doclink('link-29', 'ActionSet', 'link-1');">ActionSet</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L140"></a><tt class="py-lineno"> 140</tt>  <tt class="py-line">            <tt class="py-comment"># ActionSet indicates that we should perform just these actions. Otherwise, we look at whose turn it is:</tt> </tt>
<a name="L141"></a><tt class="py-lineno"> 141</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">name</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-30" class="py-name" targets="Method psychsim.world.World.next()=psychsim.world.World-class.html#next"><a title="psychsim.world.World.next" class="py-name" href="#" onclick="return doclink('link-30', 'next', 'link-30');">next</a></tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L142"></a><tt class="py-lineno"> 142</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'actions'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L143"></a><tt class="py-lineno"> 143</tt>  <tt class="py-line">                    <tt class="py-name">model</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-31" class="py-name" targets="Method psychsim.world.World.getMentalModel()=psychsim.world.World-class.html#getMentalModel"><a title="psychsim.world.World.getMentalModel" class="py-name" href="#" onclick="return doclink('link-31', 'getMentalModel', 'link-31');">getMentalModel</a></tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">,</tt><tt class="py-name">vector</tt><tt class="py-op">)</tt> </tt>
<a name="L144"></a><tt class="py-lineno"> 144</tt>  <tt class="py-line">                    <tt class="py-name">decision</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-32" class="py-name" targets="Method psychsim.agent.Agent.decide()=psychsim.agent.Agent-class.html#decide"><a title="psychsim.agent.Agent.decide" class="py-name" href="#" onclick="return doclink('link-32', 'decide', 'link-32');">decide</a></tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">,</tt><tt class="py-name">horizon</tt><tt class="py-op">,</tt><tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'actions'</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">model</tt><tt class="py-op">,</tt><tt class="py-name">tiebreak</tt><tt class="py-op">)</tt> </tt>
<a name="L145"></a><tt class="py-lineno"> 145</tt>  <tt class="py-line">                    <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'decisions'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">decision</tt> </tt>
<a name="L146"></a><tt class="py-lineno"> 146</tt>  <tt class="py-line">                    <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'actions'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">decision</tt><tt class="py-op">[</tt><tt class="py-string">'action'</tt><tt class="py-op">]</tt> </tt>
<a name="L147"></a><tt class="py-lineno"> 147</tt>  <tt class="py-line">                <tt class="py-keyword">elif</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'actions'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt id="link-33" class="py-name"><a title="psychsim.action.Action" class="py-name" href="#" onclick="return doclink('link-33', 'Action', 'link-2');">Action</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L148"></a><tt class="py-lineno"> 148</tt>  <tt class="py-line">                    <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'actions'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt id="link-34" class="py-name"><a title="psychsim.action.ActionSet" class="py-name" href="#" onclick="return doclink('link-34', 'ActionSet', 'link-1');">ActionSet</a></tt><tt class="py-op">(</tt><tt class="py-op">[</tt><tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'actions'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L149"></a><tt class="py-lineno"> 149</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'actions'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt id="link-35" class="py-name"><a title="psychsim.probability.Distribution" class="py-name" href="#" onclick="return doclink('link-35', 'Distribution', 'link-5');">Distribution</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L150"></a><tt class="py-lineno"> 150</tt>  <tt class="py-line">                    <tt class="py-name">stochastic</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">)</tt> </tt>
<a name="L151"></a><tt class="py-lineno"> 151</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">stochastic</tt><tt class="py-op">:</tt> </tt>
<a name="L152"></a><tt class="py-lineno"> 152</tt>  <tt class="py-line">            <tt class="py-comment"># Merge effects of multiple possible actions into single effect</tt> </tt>
<a name="L153"></a><tt class="py-lineno"> 153</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">stochastic</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">1</tt><tt class="py-op">:</tt> </tt>
<a name="L154"></a><tt class="py-lineno"> 154</tt>  <tt class="py-line">                <tt class="py-keyword">raise</tt> <tt class="py-name">NotImplementedError</tt><tt class="py-op">,</tt><tt class="py-string">'Currently unable to handle stochastic expectations over multiple agents: %s'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">stochastic</tt><tt class="py-op">)</tt> </tt>
<a name="L155"></a><tt class="py-lineno"> 155</tt>  <tt class="py-line">            <tt class="py-name">effects</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L156"></a><tt class="py-lineno"> 156</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt id="link-36" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-36', 'action', 'link-0');">action</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'actions'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">stochastic</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-37" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-37', 'domain', 'link-22');">domain</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L157"></a><tt class="py-lineno"> 157</tt>  <tt class="py-line">                <tt class="py-name">prob</tt> <tt class="py-op">=</tt> <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'actions'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">stochastic</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-38" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-38', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt> </tt>
<a name="L158"></a><tt class="py-lineno"> 158</tt>  <tt class="py-line">                <tt class="py-name">actions</tt> <tt class="py-op">=</tt> <tt class="py-name">dict</tt><tt class="py-op">(</tt><tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'actions'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L159"></a><tt class="py-lineno"> 159</tt>  <tt class="py-line">                <tt class="py-name">actions</tt><tt class="py-op">[</tt><tt class="py-name">stochastic</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt id="link-39" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-39', 'action', 'link-0');">action</a></tt> </tt>
<a name="L160"></a><tt class="py-lineno"> 160</tt>  <tt class="py-line">                <tt class="py-name">outcome</tt><tt class="py-op">.</tt><tt id="link-40" class="py-name" targets="Method psychsim.pwl.KeyedMatrix.update()=psychsim.pwl.KeyedMatrix-class.html#update,Method psychsim.pwl.MatrixDistribution.update()=psychsim.pwl.MatrixDistribution-class.html#update"><a title="psychsim.pwl.KeyedMatrix.update
psychsim.pwl.MatrixDistribution.update" class="py-name" href="#" onclick="return doclink('link-40', 'update', 'link-40');">update</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-41" class="py-name" targets="Method psychsim.world.World.effect()=psychsim.world.World-class.html#effect"><a title="psychsim.world.World.effect" class="py-name" href="#" onclick="return doclink('link-41', 'effect', 'link-41');">effect</a></tt><tt class="py-op">(</tt><tt class="py-name">actions</tt><tt class="py-op">,</tt><tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'old'</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">prob</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L161"></a><tt class="py-lineno"> 161</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L162"></a><tt class="py-lineno"> 162</tt>  <tt class="py-line">            <tt class="py-name">outcome</tt><tt class="py-op">.</tt><tt id="link-42" class="py-name"><a title="psychsim.pwl.KeyedMatrix.update
psychsim.pwl.MatrixDistribution.update" class="py-name" href="#" onclick="return doclink('link-42', 'update', 'link-40');">update</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-43" class="py-name"><a title="psychsim.world.World.effect" class="py-name" href="#" onclick="return doclink('link-43', 'effect', 'link-41');">effect</a></tt><tt class="py-op">(</tt><tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'actions'</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'old'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L163"></a><tt class="py-lineno"> 163</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">outcome</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-string">'new'</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L164"></a><tt class="py-lineno"> 164</tt>  <tt class="py-line">            <tt class="py-comment"># Apply effects</tt> </tt>
<a name="L165"></a><tt class="py-lineno"> 165</tt>  <tt class="py-line">            <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'new'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'effect'</tt><tt class="py-op">]</tt><tt class="py-op">*</tt><tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'old'</tt><tt class="py-op">]</tt> </tt>
<a name="L166"></a><tt class="py-lineno"> 166</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">outcome</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-string">'delta'</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L167"></a><tt class="py-lineno"> 167</tt>  <tt class="py-line">            <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'delta'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'new'</tt><tt class="py-op">]</tt> <tt class="py-op">-</tt> <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'old'</tt><tt class="py-op">]</tt> </tt>
<a name="L168"></a><tt class="py-lineno"> 168</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">outcome</tt> </tt>
</div><a name="L169"></a><tt class="py-lineno"> 169</tt>  <tt class="py-line"> </tt>
<a name="World.effect"></a><div id="World.effect-def"><a name="L170"></a><tt class="py-lineno"> 170</tt> <a class="py-toggle" href="#" id="World.effect-toggle" onclick="return toggle('World.effect');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#effect">effect</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">actions</tt><tt class="py-op">,</tt><tt class="py-param">vector</tt><tt class="py-op">,</tt><tt class="py-param">probability</tt><tt class="py-op">=</tt><tt class="py-number">1.</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.effect-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.effect-expanded"><a name="L171"></a><tt class="py-lineno"> 171</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L172"></a><tt class="py-lineno"> 172</tt>  <tt class="py-line"><tt class="py-docstring">        @param probability: the likelihood of this particular action set (default is 100%)</tt> </tt>
<a name="L173"></a><tt class="py-lineno"> 173</tt>  <tt class="py-line"><tt class="py-docstring">        @type probability: float</tt> </tt>
<a name="L174"></a><tt class="py-lineno"> 174</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L175"></a><tt class="py-lineno"> 175</tt>  <tt class="py-line">        <tt class="py-name">result</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-string">'effect'</tt><tt class="py-op">:</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt><tt class="py-op">,</tt> </tt>
<a name="L176"></a><tt class="py-lineno"> 176</tt>  <tt class="py-line">                  <tt class="py-string">'new'</tt><tt class="py-op">:</tt> <tt id="link-44" class="py-name"><a title="psychsim.pwl.VectorDistribution" class="py-name" href="#" onclick="return doclink('link-44', 'VectorDistribution', 'link-9');">VectorDistribution</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt class="py-name">vector</tt><tt class="py-op">:</tt> <tt id="link-45" class="py-name"><a title="psychsim.probability" class="py-name" href="#" onclick="return doclink('link-45', 'probability', 'link-4');">probability</a></tt><tt class="py-op">}</tt><tt class="py-op">)</tt><tt class="py-op">}</tt> </tt>
<a name="L177"></a><tt class="py-lineno"> 177</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">keys</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">evaluationOrder</tt><tt class="py-op">:</tt> </tt>
<a name="L178"></a><tt class="py-lineno"> 178</tt>  <tt class="py-line">            <tt class="py-name">new</tt> <tt class="py-op">=</tt> <tt id="link-46" class="py-name"><a title="psychsim.pwl.VectorDistribution" class="py-name" href="#" onclick="return doclink('link-46', 'VectorDistribution', 'link-9');">VectorDistribution</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L179"></a><tt class="py-lineno"> 179</tt>  <tt class="py-line">            <tt id="link-47" class="py-name"><a title="psychsim.world.World.effect" class="py-name" href="#" onclick="return doclink('link-47', 'effect', 'link-41');">effect</a></tt> <tt class="py-op">=</tt> <tt id="link-48" class="py-name" targets="Class psychsim.pwl.MatrixDistribution=psychsim.pwl.MatrixDistribution-class.html"><a title="psychsim.pwl.MatrixDistribution" class="py-name" href="#" onclick="return doclink('link-48', 'MatrixDistribution', 'link-48');">MatrixDistribution</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L180"></a><tt class="py-lineno"> 180</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">old</tt> <tt class="py-keyword">in</tt> <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-string">'new'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-49" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-49', 'domain', 'link-22');">domain</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L181"></a><tt class="py-lineno"> 181</tt>  <tt class="py-line">                <tt class="py-comment"># Update world state</tt> </tt>
<a name="L182"></a><tt class="py-lineno"> 182</tt>  <tt class="py-line">                <tt class="py-name">delta</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-50" class="py-name" targets="Method psychsim.world.World.deltaState()=psychsim.world.World-class.html#deltaState"><a title="psychsim.world.World.deltaState" class="py-name" href="#" onclick="return doclink('link-50', 'deltaState', 'link-50');">deltaState</a></tt><tt class="py-op">(</tt><tt class="py-name">actions</tt><tt class="py-op">,</tt><tt class="py-name">old</tt><tt class="py-op">,</tt><tt class="py-name">keys</tt><tt class="py-op">)</tt> </tt>
<a name="L183"></a><tt class="py-lineno"> 183</tt>  <tt class="py-line">                <tt class="py-keyword">for</tt> <tt class="py-name">matrix</tt> <tt class="py-keyword">in</tt> <tt class="py-name">delta</tt><tt class="py-op">.</tt><tt id="link-51" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-51', 'domain', 'link-22');">domain</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L184"></a><tt class="py-lineno"> 184</tt>  <tt class="py-line">                    <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L185"></a><tt class="py-lineno"> 185</tt>  <tt class="py-line">                        <tt id="link-52" class="py-name"><a title="psychsim.world.World.effect" class="py-name" href="#" onclick="return doclink('link-52', 'effect', 'link-41');">effect</a></tt><tt class="py-op">[</tt><tt class="py-name">matrix</tt><tt class="py-op">]</tt> <tt class="py-op">+=</tt> <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-string">'new'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">old</tt><tt class="py-op">]</tt> </tt>
<a name="L186"></a><tt class="py-lineno"> 186</tt>  <tt class="py-line">                    <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</tt><tt class="py-op">:</tt> </tt>
<a name="L187"></a><tt class="py-lineno"> 187</tt>  <tt class="py-line">                        <tt id="link-53" class="py-name"><a title="psychsim.world.World.effect" class="py-name" href="#" onclick="return doclink('link-53', 'effect', 'link-41');">effect</a></tt><tt class="py-op">[</tt><tt class="py-name">matrix</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-string">'new'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">old</tt><tt class="py-op">]</tt> </tt>
<a name="L188"></a><tt class="py-lineno"> 188</tt>  <tt class="py-line">                    <tt class="py-name">vector</tt> <tt class="py-op">=</tt> <tt id="link-54" class="py-name"><a title="psychsim.pwl.KeyedVector" class="py-name" href="#" onclick="return doclink('link-54', 'KeyedVector', 'link-13');">KeyedVector</a></tt><tt class="py-op">(</tt><tt class="py-name">old</tt><tt class="py-op">)</tt> </tt>
<a name="L189"></a><tt class="py-lineno"> 189</tt>  <tt class="py-line">                    <tt class="py-name">vector</tt><tt class="py-op">.</tt><tt id="link-55" class="py-name"><a title="psychsim.pwl.KeyedMatrix.update
psychsim.pwl.MatrixDistribution.update" class="py-name" href="#" onclick="return doclink('link-55', 'update', 'link-40');">update</a></tt><tt class="py-op">(</tt><tt class="py-name">matrix</tt><tt class="py-op">*</tt><tt class="py-name">old</tt><tt class="py-op">)</tt> </tt>
<a name="L190"></a><tt class="py-lineno"> 190</tt>  <tt class="py-line">                    <tt class="py-name">prob</tt> <tt class="py-op">=</tt> <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-string">'new'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">old</tt><tt class="py-op">]</tt><tt class="py-op">*</tt><tt class="py-name">delta</tt><tt class="py-op">[</tt><tt class="py-name">matrix</tt><tt class="py-op">]</tt> </tt>
<a name="L191"></a><tt class="py-lineno"> 191</tt>  <tt class="py-line">                    <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L192"></a><tt class="py-lineno"> 192</tt>  <tt class="py-line">                        <tt class="py-name">new</tt><tt class="py-op">[</tt><tt class="py-name">vector</tt><tt class="py-op">]</tt> <tt class="py-op">+=</tt> <tt class="py-name">prob</tt> </tt>
<a name="L193"></a><tt class="py-lineno"> 193</tt>  <tt class="py-line">                    <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</tt><tt class="py-op">:</tt> </tt>
<a name="L194"></a><tt class="py-lineno"> 194</tt>  <tt class="py-line">                        <tt class="py-name">new</tt><tt class="py-op">[</tt><tt class="py-name">vector</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">prob</tt> </tt>
<a name="L195"></a><tt class="py-lineno"> 195</tt>  <tt class="py-line">            <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-string">'new'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">new</tt> </tt>
<a name="L196"></a><tt class="py-lineno"> 196</tt>  <tt class="py-line">            <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-string">'effect'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt id="link-56" class="py-name"><a title="psychsim.world.World.effect" class="py-name" href="#" onclick="return doclink('link-56', 'effect', 'link-41');">effect</a></tt><tt class="py-op">)</tt> </tt>
<a name="L197"></a><tt class="py-lineno"> 197</tt>  <tt class="py-line">        <tt class="py-comment"># Update turn order</tt> </tt>
<a name="L198"></a><tt class="py-lineno"> 198</tt>  <tt class="py-line">        <tt class="py-name">delta</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-57" class="py-name" targets="Method psychsim.world.World.deltaOrder()=psychsim.world.World-class.html#deltaOrder"><a title="psychsim.world.World.deltaOrder" class="py-name" href="#" onclick="return doclink('link-57', 'deltaOrder', 'link-57');">deltaOrder</a></tt><tt class="py-op">(</tt><tt class="py-name">actions</tt><tt class="py-op">,</tt><tt class="py-name">vector</tt><tt class="py-op">)</tt> </tt>
<a name="L199"></a><tt class="py-lineno"> 199</tt>  <tt class="py-line">        <tt class="py-comment"># Update agent beliefs</tt> </tt>
<a name="L200"></a><tt class="py-lineno"> 200</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">name</tt><tt class="py-op">,</tt><tt id="link-58" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-58', 'agent', 'link-6');">agent</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">.</tt><tt class="py-name">items</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L201"></a><tt class="py-lineno"> 201</tt>  <tt class="py-line">            <tt class="py-name">key</tt> <tt class="py-op">=</tt> <tt id="link-59" class="py-name" targets="Function psychsim.world.modelKey()=psychsim.world-module.html#modelKey"><a title="psychsim.world.modelKey" class="py-name" href="#" onclick="return doclink('link-59', 'modelKey', 'link-59');">modelKey</a></tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">)</tt> </tt>
<a name="L202"></a><tt class="py-lineno"> 202</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">vector</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L203"></a><tt class="py-lineno"> 203</tt>  <tt class="py-line">                <tt class="py-name">delta</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt id="link-60" class="py-name"><a title="psychsim.pwl.KeyedVector" class="py-name" href="#" onclick="return doclink('link-60', 'KeyedVector', 'link-13');">KeyedVector</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt class="py-name">key</tt><tt class="py-op">:</tt> <tt class="py-number">1.</tt><tt class="py-op">}</tt><tt class="py-op">)</tt> </tt>
<a name="L204"></a><tt class="py-lineno"> 204</tt>  <tt class="py-line">        <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-string">'effect'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">delta</tt><tt class="py-op">)</tt> </tt>
<a name="L205"></a><tt class="py-lineno"> 205</tt>  <tt class="py-line">        <tt class="py-name">new</tt> <tt class="py-op">=</tt> <tt id="link-61" class="py-name"><a title="psychsim.pwl.VectorDistribution" class="py-name" href="#" onclick="return doclink('link-61', 'VectorDistribution', 'link-9');">VectorDistribution</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L206"></a><tt class="py-lineno"> 206</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">old</tt> <tt class="py-keyword">in</tt> <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-string">'new'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-62" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-62', 'domain', 'link-22');">domain</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L207"></a><tt class="py-lineno"> 207</tt>  <tt class="py-line">            <tt class="py-name">vector</tt> <tt class="py-op">=</tt> <tt id="link-63" class="py-name"><a title="psychsim.pwl.KeyedVector" class="py-name" href="#" onclick="return doclink('link-63', 'KeyedVector', 'link-13');">KeyedVector</a></tt><tt class="py-op">(</tt><tt class="py-name">old</tt><tt class="py-op">)</tt> </tt>
<a name="L208"></a><tt class="py-lineno"> 208</tt>  <tt class="py-line">            <tt class="py-name">vector</tt><tt class="py-op">.</tt><tt id="link-64" class="py-name"><a title="psychsim.pwl.KeyedMatrix.update
psychsim.pwl.MatrixDistribution.update" class="py-name" href="#" onclick="return doclink('link-64', 'update', 'link-40');">update</a></tt><tt class="py-op">(</tt><tt class="py-name">delta</tt><tt class="py-op">*</tt><tt class="py-name">old</tt><tt class="py-op">)</tt> </tt>
<a name="L209"></a><tt class="py-lineno"> 209</tt>  <tt class="py-line">            <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L210"></a><tt class="py-lineno"> 210</tt>  <tt class="py-line">                <tt class="py-name">new</tt><tt class="py-op">[</tt><tt class="py-name">vector</tt><tt class="py-op">]</tt> <tt class="py-op">+=</tt> <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-string">'new'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">old</tt><tt class="py-op">]</tt> </tt>
<a name="L211"></a><tt class="py-lineno"> 211</tt>  <tt class="py-line">            <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</tt><tt class="py-op">:</tt> </tt>
<a name="L212"></a><tt class="py-lineno"> 212</tt>  <tt class="py-line">                <tt class="py-name">new</tt><tt class="py-op">[</tt><tt class="py-name">vector</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-string">'new'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">old</tt><tt class="py-op">]</tt> </tt>
<a name="L213"></a><tt class="py-lineno"> 213</tt>  <tt class="py-line">        <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-string">'new'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">new</tt> </tt>
<a name="L214"></a><tt class="py-lineno"> 214</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">result</tt> </tt>
</div><a name="L215"></a><tt class="py-lineno"> 215</tt>  <tt class="py-line"> </tt>
<a name="World.deltaState"></a><div id="World.deltaState-def"><a name="L216"></a><tt class="py-lineno"> 216</tt> <a class="py-toggle" href="#" id="World.deltaState-toggle" onclick="return toggle('World.deltaState');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#deltaState">deltaState</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">actions</tt><tt class="py-op">,</tt><tt class="py-param">vector</tt><tt class="py-op">,</tt><tt class="py-param">keys</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.deltaState-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.deltaState-expanded"><a name="L217"></a><tt class="py-lineno"> 217</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L218"></a><tt class="py-lineno"> 218</tt>  <tt class="py-line"><tt class="py-docstring">        Computes the change across a subset of state features</tt> </tt>
<a name="L219"></a><tt class="py-lineno"> 219</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L220"></a><tt class="py-lineno"> 220</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">keys</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L221"></a><tt class="py-lineno"> 221</tt>  <tt class="py-line">            <tt class="py-name">keys</tt> <tt class="py-op">=</tt> <tt class="py-name">sum</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">evaluationOrder</tt><tt class="py-op">,</tt><tt class="py-op">[</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L222"></a><tt class="py-lineno"> 222</tt>  <tt class="py-line">        <tt class="py-name">result</tt> <tt class="py-op">=</tt> <tt id="link-65" class="py-name"><a title="psychsim.pwl.MatrixDistribution" class="py-name" href="#" onclick="return doclink('link-65', 'MatrixDistribution', 'link-48');">MatrixDistribution</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt id="link-66" class="py-name" targets="Class psychsim.pwl.KeyedMatrix=psychsim.pwl.KeyedMatrix-class.html"><a title="psychsim.pwl.KeyedMatrix" class="py-name" href="#" onclick="return doclink('link-66', 'KeyedMatrix', 'link-66');">KeyedMatrix</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> <tt class="py-number">1.</tt><tt class="py-op">}</tt><tt class="py-op">)</tt> </tt>
<a name="L223"></a><tt class="py-lineno"> 223</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">key</tt> <tt class="py-keyword">in</tt> <tt class="py-name">keys</tt><tt class="py-op">:</tt> </tt>
<a name="L224"></a><tt class="py-lineno"> 224</tt>  <tt class="py-line">            <tt class="py-name">dynamics</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-67" class="py-name" targets="Method psychsim.world.World.getDynamics()=psychsim.world.World-class.html#getDynamics"><a title="psychsim.world.World.getDynamics" class="py-name" href="#" onclick="return doclink('link-67', 'getDynamics', 'link-67');">getDynamics</a></tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">,</tt><tt class="py-name">actions</tt><tt class="py-op">)</tt> </tt>
<a name="L225"></a><tt class="py-lineno"> 225</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">dynamics</tt><tt class="py-op">:</tt> </tt>
<a name="L226"></a><tt class="py-lineno"> 226</tt>  <tt class="py-line">                <tt class="py-keyword">assert</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">dynamics</tt><tt class="py-op">)</tt> <tt class="py-op">==</tt> <tt class="py-number">1</tt><tt class="py-op">,</tt><tt class="py-string">'Unable to merge multiple effects of %s on %s'</tt> <tt class="py-op">%</tt> \ </tt>
<a name="L227"></a><tt class="py-lineno"> 227</tt>  <tt class="py-line">                    <tt class="py-op">(</tt><tt id="link-68" class="py-name"><a title="psychsim.action.ActionSet" class="py-name" href="#" onclick="return doclink('link-68', 'ActionSet', 'link-1');">ActionSet</a></tt><tt class="py-op">(</tt><tt class="py-name">actions</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-name">key</tt><tt class="py-op">)</tt> </tt>
<a name="L228"></a><tt class="py-lineno"> 228</tt>  <tt class="py-line">                <tt class="py-name">result</tt><tt class="py-op">.</tt><tt id="link-69" class="py-name"><a title="psychsim.pwl.KeyedMatrix.update
psychsim.pwl.MatrixDistribution.update" class="py-name" href="#" onclick="return doclink('link-69', 'update', 'link-40');">update</a></tt><tt class="py-op">(</tt><tt class="py-name">dynamics</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">vector</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L229"></a><tt class="py-lineno"> 229</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">result</tt> </tt>
</div><a name="L230"></a><tt class="py-lineno"> 230</tt>  <tt class="py-line"> </tt>
<a name="World.addTermination"></a><div id="World.addTermination-def"><a name="L231"></a><tt class="py-lineno"> 231</tt> <a class="py-toggle" href="#" id="World.addTermination-toggle" onclick="return toggle('World.addTermination');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#addTermination">addTermination</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">tree</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.addTermination-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.addTermination-expanded"><a name="L232"></a><tt class="py-lineno"> 232</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L233"></a><tt class="py-lineno"> 233</tt>  <tt class="py-line"><tt class="py-docstring">        Adds a possible termination condition to the list</tt> </tt>
<a name="L234"></a><tt class="py-lineno"> 234</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L235"></a><tt class="py-lineno"> 235</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">termination</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">tree</tt><tt class="py-op">.</tt><tt id="link-70" class="py-name" targets="Method psychsim.pwl.KeyedMatrix.desymbolize()=psychsim.pwl.KeyedMatrix-class.html#desymbolize,Method psychsim.pwl.KeyedPlane.desymbolize()=psychsim.pwl.KeyedPlane-class.html#desymbolize,Method psychsim.pwl.KeyedTree.desymbolize()=psychsim.pwl.KeyedTree-class.html#desymbolize,Method psychsim.pwl.KeyedVector.desymbolize()=psychsim.pwl.KeyedVector-class.html#desymbolize"><a title="psychsim.pwl.KeyedMatrix.desymbolize
psychsim.pwl.KeyedPlane.desymbolize
psychsim.pwl.KeyedTree.desymbolize
psychsim.pwl.KeyedVector.desymbolize" class="py-name" href="#" onclick="return doclink('link-70', 'desymbolize', 'link-70');">desymbolize</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">symbols</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div><a name="L236"></a><tt class="py-lineno"> 236</tt>  <tt class="py-line"> </tt>
<a name="World.terminated"></a><div id="World.terminated-def"><a name="L237"></a><tt class="py-lineno"> 237</tt> <a class="py-toggle" href="#" id="World.terminated-toggle" onclick="return toggle('World.terminated');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#terminated">terminated</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">state</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.terminated-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.terminated-expanded"><a name="L238"></a><tt class="py-lineno"> 238</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L239"></a><tt class="py-lineno"> 239</tt>  <tt class="py-line"><tt class="py-docstring">        Evaluates world states with respect to termination conditions</tt> </tt>
<a name="L240"></a><tt class="py-lineno"> 240</tt>  <tt class="py-line"><tt class="py-docstring">        @param state: the state vector (or distribution thereof) to evaluate (default is the current world state)</tt> </tt>
<a name="L241"></a><tt class="py-lineno"> 241</tt>  <tt class="py-line"><tt class="py-docstring">        @type state: L{KeyedVector} or L{VectorDistribution}</tt> </tt>
<a name="L242"></a><tt class="py-lineno"> 242</tt>  <tt class="py-line"><tt class="py-docstring">        @return: C{True} iff the given state (or all possible worlds if a distribution) satisfies at least one termination condition</tt> </tt>
<a name="L243"></a><tt class="py-lineno"> 243</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: bool</tt> </tt>
<a name="L244"></a><tt class="py-lineno"> 244</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L245"></a><tt class="py-lineno"> 245</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">state</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L246"></a><tt class="py-lineno"> 246</tt>  <tt class="py-line">            <tt class="py-name">state</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">state</tt> </tt>
<a name="L247"></a><tt class="py-lineno"> 247</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">state</tt><tt class="py-op">,</tt><tt id="link-71" class="py-name"><a title="psychsim.pwl.VectorDistribution" class="py-name" href="#" onclick="return doclink('link-71', 'VectorDistribution', 'link-9');">VectorDistribution</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L248"></a><tt class="py-lineno"> 248</tt>  <tt class="py-line">            <tt class="py-comment"># All possible worlds must be terminal states</tt> </tt>
<a name="L249"></a><tt class="py-lineno"> 249</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">vector</tt> <tt class="py-keyword">in</tt> <tt class="py-name">state</tt><tt class="py-op">.</tt><tt id="link-72" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-72', 'domain', 'link-22');">domain</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L250"></a><tt class="py-lineno"> 250</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-73" class="py-name"><a title="psychsim.world.World.terminated" class="py-name" href="#" onclick="return doclink('link-73', 'terminated', 'link-28');">terminated</a></tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L251"></a><tt class="py-lineno"> 251</tt>  <tt class="py-line">                    <tt class="py-keyword">return</tt> <tt class="py-name">False</tt> </tt>
<a name="L252"></a><tt class="py-lineno"> 252</tt>  <tt class="py-line">            <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L253"></a><tt class="py-lineno"> 253</tt>  <tt class="py-line">                <tt class="py-keyword">return</tt> <tt class="py-name">True</tt> </tt>
<a name="L254"></a><tt class="py-lineno"> 254</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L255"></a><tt class="py-lineno"> 255</tt>  <tt class="py-line">            <tt class="py-keyword">assert</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">state</tt><tt class="py-op">,</tt><tt id="link-74" class="py-name"><a title="psychsim.pwl.KeyedVector" class="py-name" href="#" onclick="return doclink('link-74', 'KeyedVector', 'link-13');">KeyedVector</a></tt><tt class="py-op">)</tt> </tt>
<a name="L256"></a><tt class="py-lineno"> 256</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">condition</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">termination</tt><tt class="py-op">:</tt> </tt>
<a name="L257"></a><tt class="py-lineno"> 257</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">condition</tt><tt class="py-op">[</tt><tt class="py-name">state</tt><tt class="py-op">]</tt><tt class="py-op">:</tt> </tt>
<a name="L258"></a><tt class="py-lineno"> 258</tt>  <tt class="py-line">                    <tt class="py-keyword">return</tt> <tt class="py-name">True</tt> </tt>
<a name="L259"></a><tt class="py-lineno"> 259</tt>  <tt class="py-line">            <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L260"></a><tt class="py-lineno"> 260</tt>  <tt class="py-line">                <tt class="py-keyword">return</tt> <tt class="py-name">False</tt> </tt>
</div><a name="L261"></a><tt class="py-lineno"> 261</tt>  <tt class="py-line"> </tt>
<a name="L262"></a><tt class="py-lineno"> 262</tt>  <tt class="py-line">    <tt class="py-string">"""-----------------"""</tt> </tt>
<a name="L263"></a><tt class="py-lineno"> 263</tt>  <tt class="py-line">    <tt class="py-string">"""Authoring methods"""</tt> </tt>
<a name="L264"></a><tt class="py-lineno"> 264</tt>  <tt class="py-line">    <tt class="py-string">"""-----------------"""</tt> </tt>
<a name="L265"></a><tt class="py-lineno"> 265</tt>  <tt class="py-line"> </tt>
<a name="World.addAgent"></a><div id="World.addAgent-def"><a name="L266"></a><tt class="py-lineno"> 266</tt> <a class="py-toggle" href="#" id="World.addAgent-toggle" onclick="return toggle('World.addAgent');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#addAgent">addAgent</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">agent</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.addAgent-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.addAgent-expanded"><a name="L267"></a><tt class="py-lineno"> 267</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt id="link-75" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-75', 'agent', 'link-6');">agent</a></tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L268"></a><tt class="py-lineno"> 268</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">NameError</tt><tt class="py-op">,</tt><tt class="py-string">'Agent %s already exists in this world'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt id="link-76" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-76', 'agent', 'link-6');">agent</a></tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">)</tt> </tt>
<a name="L269"></a><tt class="py-lineno"> 269</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L270"></a><tt class="py-lineno"> 270</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">[</tt><tt id="link-77" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-77', 'agent', 'link-6');">agent</a></tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt id="link-78" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-78', 'agent', 'link-6');">agent</a></tt> </tt>
<a name="L271"></a><tt class="py-lineno"> 271</tt>  <tt class="py-line">            <tt id="link-79" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-79', 'agent', 'link-6');">agent</a></tt><tt class="py-op">.</tt><tt id="link-80" class="py-name" targets="Module psychsim.world=psychsim.world-module.html"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-80', 'world', 'link-80');">world</a></tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt> </tt>
</div><a name="L272"></a><tt class="py-lineno"> 272</tt>  <tt class="py-line"> </tt>
<a name="World.setDynamics"></a><div id="World.setDynamics-def"><a name="L273"></a><tt class="py-lineno"> 273</tt> <a class="py-toggle" href="#" id="World.setDynamics-toggle" onclick="return toggle('World.setDynamics');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#setDynamics">setDynamics</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">entity</tt><tt class="py-op">,</tt><tt class="py-param">feature</tt><tt class="py-op">,</tt><tt class="py-param">action</tt><tt class="py-op">,</tt><tt class="py-param">tree</tt><tt class="py-op">,</tt><tt class="py-param">enforceMin</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">,</tt><tt class="py-param">enforceMax</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.setDynamics-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.setDynamics-expanded"><a name="L274"></a><tt class="py-lineno"> 274</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L275"></a><tt class="py-lineno"> 275</tt>  <tt class="py-line"><tt class="py-docstring">        Defines the effect of an action on a given state feature</tt> </tt>
<a name="L276"></a><tt class="py-lineno"> 276</tt>  <tt class="py-line"><tt class="py-docstring">        @param entity: the entity whose state feature is affected (C{None} if on the world itself)</tt> </tt>
<a name="L277"></a><tt class="py-lineno"> 277</tt>  <tt class="py-line"><tt class="py-docstring">        @type entity: str</tt> </tt>
<a name="L278"></a><tt class="py-lineno"> 278</tt>  <tt class="py-line"><tt class="py-docstring">        @param feature: the name of the affected state feature</tt> </tt>
<a name="L279"></a><tt class="py-lineno"> 279</tt>  <tt class="py-line"><tt class="py-docstring">        @type feature: str</tt> </tt>
<a name="L280"></a><tt class="py-lineno"> 280</tt>  <tt class="py-line"><tt class="py-docstring">        @param action: the action affecting the state feature</tt> </tt>
<a name="L281"></a><tt class="py-lineno"> 281</tt>  <tt class="py-line"><tt class="py-docstring">        @type action: L{Action} or L{ActionSet}</tt> </tt>
<a name="L282"></a><tt class="py-lineno"> 282</tt>  <tt class="py-line"><tt class="py-docstring">        @param tree: the decision tree defining the effect</tt> </tt>
<a name="L283"></a><tt class="py-lineno"> 283</tt>  <tt class="py-line"><tt class="py-docstring">        @type tree: L{KeyedTree}</tt> </tt>
<a name="L284"></a><tt class="py-lineno"> 284</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L285"></a><tt class="py-lineno"> 285</tt>  <tt class="py-line">        <tt class="py-keyword">assert</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">entity</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-string">'No state features defined for entity "%s"'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">entity</tt><tt class="py-op">)</tt> </tt>
<a name="L286"></a><tt class="py-lineno"> 286</tt>  <tt class="py-line">        <tt class="py-keyword">assert</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">feature</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-string">'No feature "%s" defined for entity "%s"'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">feature</tt><tt class="py-op">,</tt><tt class="py-name">entity</tt><tt class="py-op">)</tt> </tt>
<a name="L287"></a><tt class="py-lineno"> 287</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt id="link-81" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-81', 'action', 'link-0');">action</a></tt><tt class="py-op">,</tt><tt id="link-82" class="py-name"><a title="psychsim.action.Action" class="py-name" href="#" onclick="return doclink('link-82', 'Action', 'link-2');">Action</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L288"></a><tt class="py-lineno"> 288</tt>  <tt class="py-line">            <tt id="link-83" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-83', 'action', 'link-0');">action</a></tt> <tt class="py-op">=</tt> <tt id="link-84" class="py-name"><a title="psychsim.action.ActionSet" class="py-name" href="#" onclick="return doclink('link-84', 'ActionSet', 'link-1');">ActionSet</a></tt><tt class="py-op">(</tt><tt class="py-op">[</tt><tt id="link-85" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-85', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L289"></a><tt class="py-lineno"> 289</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">entity</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L290"></a><tt class="py-lineno"> 290</tt>  <tt class="py-line">            <tt class="py-name">key</tt> <tt class="py-op">=</tt> <tt class="py-name">feature</tt> </tt>
<a name="L291"></a><tt class="py-lineno"> 291</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L292"></a><tt class="py-lineno"> 292</tt>  <tt class="py-line">            <tt class="py-name">key</tt> <tt class="py-op">=</tt> <tt id="link-86" class="py-name" targets="Function psychsim.world.stateKey()=psychsim.world-module.html#stateKey"><a title="psychsim.world.stateKey" class="py-name" href="#" onclick="return doclink('link-86', 'stateKey', 'link-86');">stateKey</a></tt><tt class="py-op">(</tt><tt class="py-name">entity</tt><tt class="py-op">,</tt><tt class="py-name">feature</tt><tt class="py-op">)</tt> </tt>
<a name="L293"></a><tt class="py-lineno"> 293</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">atom</tt> <tt class="py-keyword">in</tt> <tt id="link-87" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-87', 'action', 'link-0');">action</a></tt><tt class="py-op">:</tt> </tt>
<a name="L294"></a><tt class="py-lineno"> 294</tt>  <tt class="py-line">            <tt class="py-keyword">assert</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">atom</tt><tt class="py-op">[</tt><tt class="py-string">'subject'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-string">'Unknown actor %s'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">atom</tt><tt class="py-op">[</tt><tt class="py-string">'subject'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L295"></a><tt class="py-lineno"> 295</tt>  <tt class="py-line">            <tt class="py-keyword">assert</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">[</tt><tt class="py-name">atom</tt><tt class="py-op">[</tt><tt class="py-string">'subject'</tt><tt class="py-op">]</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-88" class="py-name" targets="Method psychsim.agent.Agent.hasAction()=psychsim.agent.Agent-class.html#hasAction"><a title="psychsim.agent.Agent.hasAction" class="py-name" href="#" onclick="return doclink('link-88', 'hasAction', 'link-88');">hasAction</a></tt><tt class="py-op">(</tt><tt class="py-name">atom</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-string">'Unknown action %s'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">atom</tt><tt class="py-op">)</tt> </tt>
<a name="L296"></a><tt class="py-lineno"> 296</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">dynamics</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L297"></a><tt class="py-lineno"> 297</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">dynamics</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L298"></a><tt class="py-lineno"> 298</tt>  <tt class="py-line">        <tt class="py-comment"># Translate symbolic names into numeric values</tt> </tt>
<a name="L299"></a><tt class="py-lineno"> 299</tt>  <tt class="py-line">        <tt class="py-name">tree</tt> <tt class="py-op">=</tt> <tt class="py-name">tree</tt><tt class="py-op">.</tt><tt id="link-89" class="py-name"><a title="psychsim.pwl.KeyedMatrix.desymbolize
psychsim.pwl.KeyedPlane.desymbolize
psychsim.pwl.KeyedTree.desymbolize
psychsim.pwl.KeyedVector.desymbolize" class="py-name" href="#" onclick="return doclink('link-89', 'desymbolize', 'link-70');">desymbolize</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">symbols</tt><tt class="py-op">)</tt> </tt>
<a name="L300"></a><tt class="py-lineno"> 300</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-90" class="py-name"><a title="psychsim.world.World.__NORMALIZE__" class="py-name" href="#" onclick="return doclink('link-90', '__NORMALIZE__', 'link-8');">__NORMALIZE__</a></tt><tt class="py-op">:</tt> </tt>
<a name="L301"></a><tt class="py-lineno"> 301</tt>  <tt class="py-line">            <tt class="py-name">tree</tt> <tt class="py-op">=</tt> <tt class="py-name">tree</tt><tt class="py-op">.</tt><tt id="link-91" class="py-name" targets="Method psychsim.pwl.KeyedMatrix.scale()=psychsim.pwl.KeyedMatrix-class.html#scale,Method psychsim.pwl.KeyedPlane.scale()=psychsim.pwl.KeyedPlane-class.html#scale,Method psychsim.pwl.KeyedTree.scale()=psychsim.pwl.KeyedTree-class.html#scale"><a title="psychsim.pwl.KeyedMatrix.scale
psychsim.pwl.KeyedPlane.scale
psychsim.pwl.KeyedTree.scale" class="py-name" href="#" onclick="return doclink('link-91', 'scale', 'link-91');">scale</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">ranges</tt><tt class="py-op">)</tt> </tt>
<a name="L302"></a><tt class="py-lineno"> 302</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">enforceMin</tt> <tt class="py-keyword">and</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">feature</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'domain'</tt><tt class="py-op">]</tt> <tt class="py-keyword">in</tt> <tt class="py-op">[</tt><tt class="py-name">int</tt><tt class="py-op">,</tt><tt class="py-name">float</tt><tt class="py-op">]</tt><tt class="py-op">:</tt> </tt>
<a name="L303"></a><tt class="py-lineno"> 303</tt>  <tt class="py-line">            <tt class="py-comment"># Modify tree to enforce floor</tt> </tt>
<a name="L304"></a><tt class="py-lineno"> 304</tt>  <tt class="py-line">            <tt class="py-name">tree</tt><tt class="py-op">.</tt><tt id="link-92" class="py-name" targets="Method psychsim.pwl.KeyedTree.floor()=psychsim.pwl.KeyedTree-class.html#floor"><a title="psychsim.pwl.KeyedTree.floor" class="py-name" href="#" onclick="return doclink('link-92', 'floor', 'link-92');">floor</a></tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">,</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">feature</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'lo'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L305"></a><tt class="py-lineno"> 305</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">enforceMax</tt> <tt class="py-keyword">and</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">feature</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'domain'</tt><tt class="py-op">]</tt> <tt class="py-keyword">in</tt> <tt class="py-op">[</tt><tt class="py-name">int</tt><tt class="py-op">,</tt><tt class="py-name">float</tt><tt class="py-op">]</tt><tt class="py-op">:</tt> </tt>
<a name="L306"></a><tt class="py-lineno"> 306</tt>  <tt class="py-line">            <tt class="py-comment"># Modify tree to enforce ceiling</tt> </tt>
<a name="L307"></a><tt class="py-lineno"> 307</tt>  <tt class="py-line">            <tt class="py-name">tree</tt><tt class="py-op">.</tt><tt id="link-93" class="py-name" targets="Method psychsim.pwl.KeyedTree.ceil()=psychsim.pwl.KeyedTree-class.html#ceil"><a title="psychsim.pwl.KeyedTree.ceil" class="py-name" href="#" onclick="return doclink('link-93', 'ceil', 'link-93');">ceil</a></tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">,</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">feature</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'hi'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L308"></a><tt class="py-lineno"> 308</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">dynamics</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-94" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-94', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">tree</tt> </tt>
</div><a name="L309"></a><tt class="py-lineno"> 309</tt>  <tt class="py-line"> </tt>
<a name="World.getDynamics"></a><div id="World.getDynamics-def"><a name="L310"></a><tt class="py-lineno"> 310</tt> <a class="py-toggle" href="#" id="World.getDynamics-toggle" onclick="return toggle('World.getDynamics');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#getDynamics">getDynamics</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">key</tt><tt class="py-op">,</tt><tt class="py-param">action</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.getDynamics-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.getDynamics-expanded"><a name="L311"></a><tt class="py-lineno"> 311</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">dynamics</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L312"></a><tt class="py-lineno"> 312</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L313"></a><tt class="py-lineno"> 313</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt id="link-95" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-95', 'action', 'link-0');">action</a></tt><tt class="py-op">,</tt><tt id="link-96" class="py-name"><a title="psychsim.action.Action" class="py-name" href="#" onclick="return doclink('link-96', 'Action', 'link-2');">Action</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L314"></a><tt class="py-lineno"> 314</tt>  <tt class="py-line">            <tt id="link-97" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-97', 'action', 'link-0');">action</a></tt> <tt class="py-op">=</tt> <tt id="link-98" class="py-name"><a title="psychsim.action.ActionSet" class="py-name" href="#" onclick="return doclink('link-98', 'ActionSet', 'link-1');">ActionSet</a></tt><tt class="py-op">(</tt><tt class="py-op">[</tt><tt id="link-99" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-99', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L315"></a><tt class="py-lineno"> 315</tt>  <tt class="py-line">        <tt class="py-keyword">elif</tt> <tt class="py-keyword">not</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt id="link-100" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-100', 'action', 'link-0');">action</a></tt><tt class="py-op">,</tt><tt id="link-101" class="py-name"><a title="psychsim.action.ActionSet" class="py-name" href="#" onclick="return doclink('link-101', 'ActionSet', 'link-1');">ActionSet</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L316"></a><tt class="py-lineno"> 316</tt>  <tt class="py-line">            <tt class="py-comment"># Table of actions by multiple agents</tt> </tt>
<a name="L317"></a><tt class="py-lineno"> 317</tt>  <tt class="py-line">            <tt id="link-102" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-102', 'action', 'link-0');">action</a></tt> <tt class="py-op">=</tt> <tt id="link-103" class="py-name"><a title="psychsim.action.ActionSet" class="py-name" href="#" onclick="return doclink('link-103', 'ActionSet', 'link-1');">ActionSet</a></tt><tt class="py-op">(</tt><tt id="link-104" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-104', 'action', 'link-0');">action</a></tt><tt class="py-op">)</tt> </tt>
<a name="L318"></a><tt class="py-lineno"> 318</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L319"></a><tt class="py-lineno"> 319</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-op">[</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">dynamics</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-105" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-105', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt><tt class="py-op">]</tt> </tt>
<a name="L320"></a><tt class="py-lineno"> 320</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</tt><tt class="py-op">:</tt> </tt>
<a name="L321"></a><tt class="py-lineno"> 321</tt>  <tt class="py-line">            <tt class="py-name">dynamics</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L322"></a><tt class="py-lineno"> 322</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">atom</tt> <tt class="py-keyword">in</tt> <tt id="link-106" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-106', 'action', 'link-0');">action</a></tt><tt class="py-op">:</tt> </tt>
<a name="L323"></a><tt class="py-lineno"> 323</tt>  <tt class="py-line">                <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L324"></a><tt class="py-lineno"> 324</tt>  <tt class="py-line">                    <tt class="py-name">dynamics</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">dynamics</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-107" class="py-name"><a title="psychsim.action.ActionSet" class="py-name" href="#" onclick="return doclink('link-107', 'ActionSet', 'link-1');">ActionSet</a></tt><tt class="py-op">(</tt><tt class="py-op">[</tt><tt class="py-name">atom</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L325"></a><tt class="py-lineno"> 325</tt>  <tt class="py-line">                <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</tt><tt class="py-op">:</tt> </tt>
<a name="L326"></a><tt class="py-lineno"> 326</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">atom</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">atom</tt><tt class="py-op">.</tt><tt id="link-108" class="py-name" targets="Variable psychsim.action.Action.special=psychsim.action.Action-class.html#special"><a title="psychsim.action.Action.special" class="py-name" href="#" onclick="return doclink('link-108', 'special', 'link-108');">special</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L327"></a><tt class="py-lineno"> 327</tt>  <tt class="py-line">                        <tt class="py-comment"># Extra parameters</tt> </tt>
<a name="L328"></a><tt class="py-lineno"> 328</tt>  <tt class="py-line">                        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L329"></a><tt class="py-lineno"> 329</tt>  <tt class="py-line">                            <tt class="py-name">tree</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">dynamics</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-109" class="py-name"><a title="psychsim.action.ActionSet" class="py-name" href="#" onclick="return doclink('link-109', 'ActionSet', 'link-1');">ActionSet</a></tt><tt class="py-op">(</tt><tt class="py-op">[</tt><tt class="py-name">atom</tt><tt class="py-op">.</tt><tt id="link-110" class="py-name" targets="Method psychsim.action.Action.root()=psychsim.action.Action-class.html#root"><a title="psychsim.action.Action.root" class="py-name" href="#" onclick="return doclink('link-110', 'root', 'link-110');">root</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">]</tt> </tt>
<a name="L330"></a><tt class="py-lineno"> 330</tt>  <tt class="py-line">                        <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</tt><tt class="py-op">:</tt> </tt>
<a name="L331"></a><tt class="py-lineno"> 331</tt>  <tt class="py-line">                            <tt class="py-name">tree</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
<a name="L332"></a><tt class="py-lineno"> 332</tt>  <tt class="py-line">                        <tt class="py-keyword">if</tt> <tt class="py-name">tree</tt><tt class="py-op">:</tt> </tt>
<a name="L333"></a><tt class="py-lineno"> 333</tt>  <tt class="py-line">                            <tt class="py-name">table</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L334"></a><tt class="py-lineno"> 334</tt>  <tt class="py-line">                            <tt class="py-keyword">for</tt> <tt class="py-name">key</tt> <tt class="py-keyword">in</tt> <tt class="py-name">atom</tt><tt class="py-op">.</tt><tt id="link-111" class="py-name" targets="Method psychsim.action.Action.getParameters()=psychsim.action.Action-class.html#getParameters"><a title="psychsim.action.Action.getParameters" class="py-name" href="#" onclick="return doclink('link-111', 'getParameters', 'link-111');">getParameters</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L335"></a><tt class="py-lineno"> 335</tt>  <tt class="py-line">                                <tt class="py-name">table</tt><tt class="py-op">[</tt><tt id="link-112" class="py-name" targets="Function psychsim.world.actionKey()=psychsim.world-module.html#actionKey"><a title="psychsim.world.actionKey" class="py-name" href="#" onclick="return doclink('link-112', 'actionKey', 'link-112');">actionKey</a></tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">)</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">atom</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> </tt>
<a name="L336"></a><tt class="py-lineno"> 336</tt>  <tt class="py-line">                            <tt class="py-name">dynamics</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">tree</tt><tt class="py-op">.</tt><tt id="link-113" class="py-name"><a title="psychsim.pwl.KeyedMatrix.desymbolize
psychsim.pwl.KeyedPlane.desymbolize
psychsim.pwl.KeyedTree.desymbolize
psychsim.pwl.KeyedVector.desymbolize" class="py-name" href="#" onclick="return doclink('link-113', 'desymbolize', 'link-70');">desymbolize</a></tt><tt class="py-op">(</tt><tt class="py-name">table</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L337"></a><tt class="py-lineno"> 337</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">dynamics</tt> </tt>
</div><a name="L338"></a><tt class="py-lineno"> 338</tt>  <tt class="py-line"> </tt>
<a name="World.addDependency"></a><div id="World.addDependency-def"><a name="L339"></a><tt class="py-lineno"> 339</tt> <a class="py-toggle" href="#" id="World.addDependency-toggle" onclick="return toggle('World.addDependency');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#addDependency">addDependency</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">dependent</tt><tt class="py-op">,</tt><tt class="py-param">independent</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.addDependency-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.addDependency-expanded"><a name="L340"></a><tt class="py-lineno"> 340</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L341"></a><tt class="py-lineno"> 341</tt>  <tt class="py-line"><tt class="py-docstring">        Adds a dependency between the dependent key and the independent key, indicating that the new value for the independent key should be determined first</tt> </tt>
<a name="L342"></a><tt class="py-lineno"> 342</tt>  <tt class="py-line"><tt class="py-docstring">        @type dependent: str</tt> </tt>
<a name="L343"></a><tt class="py-lineno"> 343</tt>  <tt class="py-line"><tt class="py-docstring">        @type independent: str</tt> </tt>
<a name="L344"></a><tt class="py-lineno"> 344</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L345"></a><tt class="py-lineno"> 345</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L346"></a><tt class="py-lineno"> 346</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">dependency</tt><tt class="py-op">[</tt><tt class="py-name">dependent</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">independent</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt> </tt>
<a name="L347"></a><tt class="py-lineno"> 347</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</tt><tt class="py-op">:</tt> </tt>
<a name="L348"></a><tt class="py-lineno"> 348</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">dependency</tt><tt class="py-op">[</tt><tt class="py-name">dependent</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-name">independent</tt><tt class="py-op">:</tt> <tt class="py-name">True</tt><tt class="py-op">}</tt> </tt>
<a name="L349"></a><tt class="py-lineno"> 349</tt>  <tt class="py-line">        <tt class="py-name">foundDep</tt> <tt class="py-op">=</tt> <tt class="py-name">False</tt> </tt>
<a name="L350"></a><tt class="py-lineno"> 350</tt>  <tt class="py-line">        <tt class="py-name">foundInd</tt> <tt class="py-op">=</tt> <tt class="py-name">False</tt> </tt>
<a name="L351"></a><tt class="py-lineno"> 351</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">entry</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">evaluationOrder</tt><tt class="py-op">:</tt> </tt>
<a name="L352"></a><tt class="py-lineno"> 352</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">foundDep</tt><tt class="py-op">:</tt> </tt>
<a name="L353"></a><tt class="py-lineno"> 353</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">foundInd</tt><tt class="py-op">:</tt> </tt>
<a name="L354"></a><tt class="py-lineno"> 354</tt>  <tt class="py-line">                    <tt class="py-comment"># Independent was earlier, so we can stick dependent variable here and exit</tt> </tt>
<a name="L355"></a><tt class="py-lineno"> 355</tt>  <tt class="py-line">                    <tt class="py-name">entry</tt><tt class="py-op">.</tt><tt class="py-name">add</tt><tt class="py-op">(</tt><tt class="py-name">dependent</tt><tt class="py-op">)</tt> </tt>
<a name="L356"></a><tt class="py-lineno"> 356</tt>  <tt class="py-line">                    <tt class="py-keyword">break</tt> </tt>
<a name="L357"></a><tt class="py-lineno"> 357</tt>  <tt class="py-line">                <tt class="py-keyword">elif</tt> <tt class="py-name">independent</tt> <tt class="py-keyword">in</tt> <tt class="py-name">entry</tt><tt class="py-op">:</tt> </tt>
<a name="L358"></a><tt class="py-lineno"> 358</tt>  <tt class="py-line">                    <tt class="py-comment"># We have now found independent variable</tt> </tt>
<a name="L359"></a><tt class="py-lineno"> 359</tt>  <tt class="py-line">                    <tt class="py-name">foundInd</tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt> </tt>
<a name="L360"></a><tt class="py-lineno"> 360</tt>  <tt class="py-line">            <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L361"></a><tt class="py-lineno"> 361</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">dependent</tt> <tt class="py-keyword">in</tt> <tt class="py-name">entry</tt><tt class="py-op">:</tt> </tt>
<a name="L362"></a><tt class="py-lineno"> 362</tt>  <tt class="py-line">                    <tt class="py-comment"># Dependent is in the same time frame</tt> </tt>
<a name="L363"></a><tt class="py-lineno"> 363</tt>  <tt class="py-line">                    <tt class="py-name">entry</tt><tt class="py-op">.</tt><tt class="py-name">remove</tt><tt class="py-op">(</tt><tt class="py-name">dependent</tt><tt class="py-op">)</tt> </tt>
<a name="L364"></a><tt class="py-lineno"> 364</tt>  <tt class="py-line">                    <tt class="py-name">foundDep</tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt> </tt>
<a name="L365"></a><tt class="py-lineno"> 365</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">independent</tt> <tt class="py-keyword">in</tt> <tt class="py-name">entry</tt><tt class="py-op">:</tt> </tt>
<a name="L366"></a><tt class="py-lineno"> 366</tt>  <tt class="py-line">                    <tt class="py-comment"># Here is the independent variable</tt> </tt>
<a name="L367"></a><tt class="py-lineno"> 367</tt>  <tt class="py-line">                    <tt class="py-name">foundInd</tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt> </tt>
<a name="L368"></a><tt class="py-lineno"> 368</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">foundDep</tt><tt class="py-op">:</tt> </tt>
<a name="L369"></a><tt class="py-lineno"> 369</tt>  <tt class="py-line">                        <tt class="py-comment"># Dependent is somewhere later, so we're ok</tt> </tt>
<a name="L370"></a><tt class="py-lineno"> 370</tt>  <tt class="py-line">                        <tt class="py-keyword">break</tt> </tt>
<a name="L371"></a><tt class="py-lineno"> 371</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L372"></a><tt class="py-lineno"> 372</tt>  <tt class="py-line">            <tt class="py-comment"># Need to add another entry</tt> </tt>
<a name="L373"></a><tt class="py-lineno"> 373</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">evaluationOrder</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt id="link-114" class="py-name"><a title="psychsim.agent.ValueFunction.set
psychsim.probability.Distribution.set" class="py-name" href="#" onclick="return doclink('link-114', 'set', 'link-10');">set</a></tt><tt class="py-op">(</tt><tt class="py-op">[</tt><tt class="py-name">dependent</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div><a name="L374"></a><tt class="py-lineno"> 374</tt>  <tt class="py-line"> </tt>
<a name="L375"></a><tt class="py-lineno"> 375</tt>  <tt class="py-line">    <tt class="py-string">"""------------------"""</tt> </tt>
<a name="L376"></a><tt class="py-lineno"> 376</tt>  <tt class="py-line">    <tt class="py-string">"""Turn order methods"""</tt> </tt>
<a name="L377"></a><tt class="py-lineno"> 377</tt>  <tt class="py-line">    <tt class="py-string">"""------------------"""</tt> </tt>
<a name="L378"></a><tt class="py-lineno"> 378</tt>  <tt class="py-line"> </tt>
<a name="World.setOrder"></a><div id="World.setOrder-def"><a name="L379"></a><tt class="py-lineno"> 379</tt> <a class="py-toggle" href="#" id="World.setOrder-toggle" onclick="return toggle('World.setOrder');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#setOrder">setOrder</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">order</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.setOrder-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.setOrder-expanded"><a name="L380"></a><tt class="py-lineno"> 380</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L381"></a><tt class="py-lineno"> 381</tt>  <tt class="py-line"><tt class="py-docstring">        Initializes the turn order to the given order</tt> </tt>
<a name="L382"></a><tt class="py-lineno"> 382</tt>  <tt class="py-line"><tt class="py-docstring">        @param order: the turn order, as a list of names (each agent acts in sequence) or a list of sets of names (agents within a set acts in parallel)</tt> </tt>
<a name="L383"></a><tt class="py-lineno"> 383</tt>  <tt class="py-line"><tt class="py-docstring">        @type order: str[] or {str}[]</tt> </tt>
<a name="L384"></a><tt class="py-lineno"> 384</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L385"></a><tt class="py-lineno"> 385</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">index</tt> <tt class="py-keyword">in</tt> <tt class="py-name">range</tt><tt class="py-op">(</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">order</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L386"></a><tt class="py-lineno"> 386</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">order</tt><tt class="py-op">[</tt><tt class="py-name">index</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt id="link-115" class="py-name"><a title="psychsim.agent.ValueFunction.set
psychsim.probability.Distribution.set" class="py-name" href="#" onclick="return doclink('link-115', 'set', 'link-10');">set</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L387"></a><tt class="py-lineno"> 387</tt>  <tt class="py-line">                <tt class="py-name">names</tt> <tt class="py-op">=</tt> <tt class="py-name">order</tt><tt class="py-op">[</tt><tt class="py-name">index</tt><tt class="py-op">]</tt> </tt>
<a name="L388"></a><tt class="py-lineno"> 388</tt>  <tt class="py-line">            <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L389"></a><tt class="py-lineno"> 389</tt>  <tt class="py-line">                <tt class="py-name">names</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-name">order</tt><tt class="py-op">[</tt><tt class="py-name">index</tt><tt class="py-op">]</tt><tt class="py-op">]</tt> </tt>
<a name="L390"></a><tt class="py-lineno"> 390</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">name</tt> <tt class="py-keyword">in</tt> <tt class="py-name">names</tt><tt class="py-op">:</tt> </tt>
<a name="L391"></a><tt class="py-lineno"> 391</tt>  <tt class="py-line">                <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">state</tt><tt class="py-op">.</tt><tt id="link-116" class="py-name" targets="Method psychsim.pwl.VectorDistribution.join()=psychsim.pwl.VectorDistribution-class.html#join"><a title="psychsim.pwl.VectorDistribution.join" class="py-name" href="#" onclick="return doclink('link-116', 'join', 'link-116');">join</a></tt><tt class="py-op">(</tt><tt id="link-117" class="py-name" targets="Function psychsim.world.turnKey()=psychsim.world-module.html#turnKey"><a title="psychsim.world.turnKey" class="py-name" href="#" onclick="return doclink('link-117', 'turnKey', 'link-117');">turnKey</a></tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">index</tt><tt class="py-op">)</tt><tt class="py-op">+</tt><tt class="py-number">0.5</tt><tt class="py-op">)</tt> </tt>
</div><a name="L392"></a><tt class="py-lineno"> 392</tt>  <tt class="py-line"> </tt>
<a name="World.next"></a><div id="World.next-def"><a name="L393"></a><tt class="py-lineno"> 393</tt> <a class="py-toggle" href="#" id="World.next-toggle" onclick="return toggle('World.next');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#next">next</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">vector</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.next-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.next-expanded"><a name="L394"></a><tt class="py-lineno"> 394</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L395"></a><tt class="py-lineno"> 395</tt>  <tt class="py-line"><tt class="py-docstring">        @return: a list of agents (by name) whose turn it is in the current epoch</tt> </tt>
<a name="L396"></a><tt class="py-lineno"> 396</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: str[]</tt> </tt>
<a name="L397"></a><tt class="py-lineno"> 397</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L398"></a><tt class="py-lineno"> 398</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">vector</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L399"></a><tt class="py-lineno"> 399</tt>  <tt class="py-line">            <tt class="py-keyword">assert</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">state</tt><tt class="py-op">)</tt> <tt class="py-op">==</tt> <tt class="py-number">1</tt><tt class="py-op">,</tt><tt class="py-string">'Ambiguous state vector'</tt> </tt>
<a name="L400"></a><tt class="py-lineno"> 400</tt>  <tt class="py-line">            <tt class="py-name">vector</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">state</tt><tt class="py-op">.</tt><tt id="link-118" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-118', 'domain', 'link-22');">domain</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> </tt>
<a name="L401"></a><tt class="py-lineno"> 401</tt>  <tt class="py-line">        <tt class="py-name">items</tt> <tt class="py-op">=</tt> <tt id="link-119" class="py-name" targets="Method psychsim.pwl.KeyedVector.filter()=psychsim.pwl.KeyedVector-class.html#filter"><a title="psychsim.pwl.KeyedVector.filter" class="py-name" href="#" onclick="return doclink('link-119', 'filter', 'link-119');">filter</a></tt><tt class="py-op">(</tt><tt class="py-keyword">lambda</tt> <tt class="py-name">i</tt><tt class="py-op">:</tt> <tt id="link-120" class="py-name" targets="Function psychsim.world.isTurnKey()=psychsim.world-module.html#isTurnKey"><a title="psychsim.world.isTurnKey" class="py-name" href="#" onclick="return doclink('link-120', 'isTurnKey', 'link-120');">isTurnKey</a></tt><tt class="py-op">(</tt><tt class="py-name">i</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-name">vector</tt><tt class="py-op">.</tt><tt class="py-name">items</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L402"></a><tt class="py-lineno"> 402</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">items</tt><tt class="py-op">)</tt> <tt class="py-op">==</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L403"></a><tt class="py-lineno"> 403</tt>  <tt class="py-line">            <tt class="py-comment"># No turn information in vector</tt> </tt>
<a name="L404"></a><tt class="py-lineno"> 404</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L405"></a><tt class="py-lineno"> 405</tt>  <tt class="py-line">        <tt id="link-121" class="py-name" targets="Method psychsim.agent.Agent.value()=psychsim.agent.Agent-class.html#value"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-121', 'value', 'link-121');">value</a></tt> <tt class="py-op">=</tt> <tt class="py-name">min</tt><tt class="py-op">(</tt><tt class="py-name">map</tt><tt class="py-op">(</tt><tt class="py-keyword">lambda</tt> <tt class="py-name">i</tt><tt class="py-op">:</tt> <tt class="py-name">int</tt><tt class="py-op">(</tt><tt class="py-name">i</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-name">items</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L406"></a><tt class="py-lineno"> 406</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">map</tt><tt class="py-op">(</tt><tt class="py-keyword">lambda</tt> <tt class="py-name">i</tt><tt class="py-op">:</tt> <tt id="link-122" class="py-name" targets="Function psychsim.world.turn2name()=psychsim.world-module.html#turn2name"><a title="psychsim.world.turn2name" class="py-name" href="#" onclick="return doclink('link-122', 'turn2name', 'link-122');">turn2name</a></tt><tt class="py-op">(</tt><tt class="py-name">i</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt id="link-123" class="py-name"><a title="psychsim.pwl.KeyedVector.filter" class="py-name" href="#" onclick="return doclink('link-123', 'filter', 'link-119');">filter</a></tt><tt class="py-op">(</tt><tt class="py-keyword">lambda</tt> <tt class="py-name">i</tt><tt class="py-op">:</tt> <tt class="py-name">int</tt><tt class="py-op">(</tt><tt class="py-name">i</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> <tt class="py-op">==</tt> <tt id="link-124" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-124', 'value', 'link-121');">value</a></tt><tt class="py-op">,</tt><tt class="py-name">items</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div><a name="L407"></a><tt class="py-lineno"> 407</tt>  <tt class="py-line"> </tt>
<a name="World.deltaOrder"></a><div id="World.deltaOrder-def"><a name="L408"></a><tt class="py-lineno"> 408</tt> <a class="py-toggle" href="#" id="World.deltaOrder-toggle" onclick="return toggle('World.deltaOrder');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#deltaOrder">deltaOrder</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">actions</tt><tt class="py-op">,</tt><tt class="py-param">vector</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.deltaOrder-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.deltaOrder-expanded"><a name="L409"></a><tt class="py-lineno"> 409</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L410"></a><tt class="py-lineno"> 410</tt>  <tt class="py-line"><tt class="py-docstring">        @return: the new turn sequence resulting from the performance of the given actions</tt> </tt>
<a name="L411"></a><tt class="py-lineno"> 411</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L412"></a><tt class="py-lineno"> 412</tt>  <tt class="py-line">        <tt class="py-name">potentials</tt> <tt class="py-op">=</tt> <tt id="link-125" class="py-name"><a title="psychsim.pwl.KeyedVector.filter" class="py-name" href="#" onclick="return doclink('link-125', 'filter', 'link-119');">filter</a></tt><tt class="py-op">(</tt><tt class="py-keyword">lambda</tt> <tt class="py-name">n</tt><tt class="py-op">:</tt> <tt class="py-name">vector</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt id="link-126" class="py-name"><a title="psychsim.world.turnKey" class="py-name" href="#" onclick="return doclink('link-126', 'turnKey', 'link-117');">turnKey</a></tt><tt class="py-op">(</tt><tt class="py-name">n</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">.</tt><tt class="py-name">keys</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L413"></a><tt class="py-lineno"> 413</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">name</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">.</tt><tt class="py-name">keys</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L414"></a><tt class="py-lineno"> 414</tt>  <tt class="py-line">            <tt class="py-name">key</tt> <tt class="py-op">=</tt> <tt id="link-127" class="py-name"><a title="psychsim.world.turnKey" class="py-name" href="#" onclick="return doclink('link-127', 'turnKey', 'link-117');">turnKey</a></tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">)</tt> </tt>
<a name="L415"></a><tt class="py-lineno"> 415</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">vector</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L416"></a><tt class="py-lineno"> 416</tt>  <tt class="py-line">                <tt class="py-name">dynamics</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-128" class="py-name"><a title="psychsim.world.World.getDynamics" class="py-name" href="#" onclick="return doclink('link-128', 'getDynamics', 'link-67');">getDynamics</a></tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">,</tt><tt class="py-name">actions</tt><tt class="py-op">)</tt> </tt>
<a name="L417"></a><tt class="py-lineno"> 417</tt>  <tt class="py-line">        <tt class="py-comment"># Figure out who has acted</tt> </tt>
<a name="L418"></a><tt class="py-lineno"> 418</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">actions</tt><tt class="py-op">,</tt><tt class="py-name">dict</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L419"></a><tt class="py-lineno"> 419</tt>  <tt class="py-line">            <tt class="py-name">actors</tt> <tt class="py-op">=</tt> <tt class="py-name">actions</tt><tt class="py-op">.</tt><tt class="py-name">keys</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L420"></a><tt class="py-lineno"> 420</tt>  <tt class="py-line">        <tt class="py-keyword">elif</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">actions</tt><tt class="py-op">,</tt><tt id="link-129" class="py-name"><a title="psychsim.action.ActionSet" class="py-name" href="#" onclick="return doclink('link-129', 'ActionSet', 'link-1');">ActionSet</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L421"></a><tt class="py-lineno"> 421</tt>  <tt class="py-line">            <tt class="py-name">actors</tt> <tt class="py-op">=</tt> <tt id="link-130" class="py-name"><a title="psychsim.agent.ValueFunction.set
psychsim.probability.Distribution.set" class="py-name" href="#" onclick="return doclink('link-130', 'set', 'link-10');">set</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L422"></a><tt class="py-lineno"> 422</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">atom</tt> <tt class="py-keyword">in</tt> <tt class="py-name">actions</tt><tt class="py-op">:</tt> </tt>
<a name="L423"></a><tt class="py-lineno"> 423</tt>  <tt class="py-line">                <tt class="py-name">actors</tt><tt class="py-op">.</tt><tt class="py-name">add</tt><tt class="py-op">(</tt><tt class="py-name">atom</tt><tt class="py-op">[</tt><tt class="py-string">'subject'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L424"></a><tt class="py-lineno"> 424</tt>  <tt class="py-line">        <tt class="py-comment"># Create turn order matrix</tt> </tt>
<a name="L425"></a><tt class="py-lineno"> 425</tt>  <tt class="py-line">        <tt class="py-name">delta</tt> <tt class="py-op">=</tt> <tt id="link-131" class="py-name"><a title="psychsim.pwl.KeyedMatrix" class="py-name" href="#" onclick="return doclink('link-131', 'KeyedMatrix', 'link-66');">KeyedMatrix</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L426"></a><tt class="py-lineno"> 426</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">actors</tt><tt class="py-op">)</tt> <tt class="py-op">==</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">potentials</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L427"></a><tt class="py-lineno"> 427</tt>  <tt class="py-line">            <tt class="py-comment"># Everybody has acted (NOTE: Need to make this more sensitive to whose turn it is)</tt> </tt>
<a name="L428"></a><tt class="py-lineno"> 428</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">name</tt> <tt class="py-keyword">in</tt> <tt class="py-name">potentials</tt><tt class="py-op">:</tt> </tt>
<a name="L429"></a><tt class="py-lineno"> 429</tt>  <tt class="py-line">                <tt class="py-name">key</tt> <tt class="py-op">=</tt> <tt id="link-132" class="py-name"><a title="psychsim.world.turnKey" class="py-name" href="#" onclick="return doclink('link-132', 'turnKey', 'link-117');">turnKey</a></tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">)</tt> </tt>
<a name="L430"></a><tt class="py-lineno"> 430</tt>  <tt class="py-line">                <tt class="py-name">delta</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt id="link-133" class="py-name"><a title="psychsim.pwl.KeyedVector" class="py-name" href="#" onclick="return doclink('link-133', 'KeyedVector', 'link-13');">KeyedVector</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt class="py-name">key</tt><tt class="py-op">:</tt> <tt class="py-number">1.</tt><tt class="py-op">}</tt><tt class="py-op">)</tt> </tt>
<a name="L431"></a><tt class="py-lineno"> 431</tt>  <tt class="py-line">        <tt class="py-keyword">elif</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">actors</tt><tt class="py-op">)</tt> <tt class="py-op">==</tt> <tt class="py-number">1</tt><tt class="py-op">:</tt> </tt>
<a name="L432"></a><tt class="py-lineno"> 432</tt>  <tt class="py-line">            <tt class="py-comment"># Only one agent has acted</tt> </tt>
<a name="L433"></a><tt class="py-lineno"> 433</tt>  <tt class="py-line">            <tt class="py-name">actor</tt> <tt class="py-op">=</tt> <tt class="py-name">actors</tt><tt class="py-op">.</tt><tt class="py-name">pop</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L434"></a><tt class="py-lineno"> 434</tt>  <tt class="py-line">            <tt class="py-name">position</tt> <tt class="py-op">=</tt> <tt class="py-name">vector</tt><tt class="py-op">[</tt><tt id="link-134" class="py-name"><a title="psychsim.world.turnKey" class="py-name" href="#" onclick="return doclink('link-134', 'turnKey', 'link-117');">turnKey</a></tt><tt class="py-op">(</tt><tt class="py-name">actor</tt><tt class="py-op">)</tt><tt class="py-op">]</tt> </tt>
<a name="L435"></a><tt class="py-lineno"> 435</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">name</tt> <tt class="py-keyword">in</tt> <tt class="py-name">potentials</tt><tt class="py-op">:</tt> </tt>
<a name="L436"></a><tt class="py-lineno"> 436</tt>  <tt class="py-line">                <tt class="py-name">key</tt> <tt class="py-op">=</tt> <tt id="link-135" class="py-name"><a title="psychsim.world.turnKey" class="py-name" href="#" onclick="return doclink('link-135', 'turnKey', 'link-117');">turnKey</a></tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">)</tt> </tt>
<a name="L437"></a><tt class="py-lineno"> 437</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">name</tt> <tt class="py-op">==</tt> <tt class="py-name">actor</tt><tt class="py-op">:</tt> </tt>
<a name="L438"></a><tt class="py-lineno"> 438</tt>  <tt class="py-line">                    <tt class="py-comment"># Acted, move to end of line</tt> </tt>
<a name="L439"></a><tt class="py-lineno"> 439</tt>  <tt class="py-line">                    <tt class="py-name">delta</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt id="link-136" class="py-name"><a title="psychsim.pwl.KeyedVector" class="py-name" href="#" onclick="return doclink('link-136', 'KeyedVector', 'link-13');">KeyedVector</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt id="link-137" class="py-name"><a title="psychsim.pwl.CONSTANT" class="py-name" href="#" onclick="return doclink('link-137', 'CONSTANT', 'link-14');">CONSTANT</a></tt><tt class="py-op">:</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">-</tt><tt class="py-number">0.5</tt><tt class="py-op">}</tt><tt class="py-op">)</tt> </tt>
<a name="L440"></a><tt class="py-lineno"> 440</tt>  <tt class="py-line">                <tt class="py-keyword">elif</tt> <tt class="py-name">vector</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">&gt;</tt> <tt class="py-name">position</tt><tt class="py-op">:</tt> </tt>
<a name="L441"></a><tt class="py-lineno"> 441</tt>  <tt class="py-line">                    <tt class="py-comment"># Not acted, move ahead of actor</tt> </tt>
<a name="L442"></a><tt class="py-lineno"> 442</tt>  <tt class="py-line">                    <tt class="py-name">delta</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt id="link-138" class="py-name"><a title="psychsim.pwl.KeyedVector" class="py-name" href="#" onclick="return doclink('link-138', 'KeyedVector', 'link-13');">KeyedVector</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt class="py-name">key</tt><tt class="py-op">:</tt> <tt class="py-number">1.</tt><tt class="py-op">,</tt><tt id="link-139" class="py-name"><a title="psychsim.pwl.CONSTANT" class="py-name" href="#" onclick="return doclink('link-139', 'CONSTANT', 'link-14');">CONSTANT</a></tt><tt class="py-op">:</tt> <tt class="py-op">-</tt><tt class="py-number">1.</tt><tt class="py-op">}</tt><tt class="py-op">)</tt> </tt>
<a name="L443"></a><tt class="py-lineno"> 443</tt>  <tt class="py-line">                <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L444"></a><tt class="py-lineno"> 444</tt>  <tt class="py-line">                    <tt class="py-comment"># Not acted, but already ahead of actor</tt> </tt>
<a name="L445"></a><tt class="py-lineno"> 445</tt>  <tt class="py-line">                    <tt class="py-name">delta</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt id="link-140" class="py-name"><a title="psychsim.pwl.KeyedVector" class="py-name" href="#" onclick="return doclink('link-140', 'KeyedVector', 'link-13');">KeyedVector</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt class="py-name">key</tt><tt class="py-op">:</tt> <tt class="py-number">1.</tt><tt class="py-op">}</tt><tt class="py-op">)</tt> </tt>
<a name="L446"></a><tt class="py-lineno"> 446</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L447"></a><tt class="py-lineno"> 447</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">NotImplementedError</tt><tt class="py-op">,</tt><tt class="py-string">'Currently unable to process mixed turn orders.'</tt> </tt>
<a name="L448"></a><tt class="py-lineno"> 448</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">delta</tt> </tt>
</div><a name="L449"></a><tt class="py-lineno"> 449</tt>  <tt class="py-line"> </tt>
<a name="World.getActions"></a><div id="World.getActions-def"><a name="L450"></a><tt class="py-lineno"> 450</tt> <a class="py-toggle" href="#" id="World.getActions-toggle" onclick="return toggle('World.getActions');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#getActions">getActions</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">vector</tt><tt class="py-op">,</tt><tt class="py-param">agents</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">actions</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.getActions-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.getActions-expanded"><a name="L451"></a><tt class="py-lineno"> 451</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L452"></a><tt class="py-lineno"> 452</tt>  <tt class="py-line"><tt class="py-docstring">        @return: the set of all possible action combinations that could happen in the given state</tt> </tt>
<a name="L453"></a><tt class="py-lineno"> 453</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: set(L{ActionSet})</tt> </tt>
<a name="L454"></a><tt class="py-lineno"> 454</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L455"></a><tt class="py-lineno"> 455</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">agents</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L456"></a><tt class="py-lineno"> 456</tt>  <tt class="py-line">            <tt class="py-name">agents</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-141" class="py-name"><a title="psychsim.world.World.next" class="py-name" href="#" onclick="return doclink('link-141', 'next', 'link-30');">next</a></tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">)</tt> </tt>
<a name="L457"></a><tt class="py-lineno"> 457</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">actions</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L458"></a><tt class="py-lineno"> 458</tt>  <tt class="py-line">            <tt class="py-name">actions</tt> <tt class="py-op">=</tt> <tt id="link-142" class="py-name"><a title="psychsim.agent.ValueFunction.set
psychsim.probability.Distribution.set" class="py-name" href="#" onclick="return doclink('link-142', 'set', 'link-10');">set</a></tt><tt class="py-op">(</tt><tt class="py-op">[</tt><tt id="link-143" class="py-name"><a title="psychsim.action.ActionSet" class="py-name" href="#" onclick="return doclink('link-143', 'ActionSet', 'link-1');">ActionSet</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L459"></a><tt class="py-lineno"> 459</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">agents</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L460"></a><tt class="py-lineno"> 460</tt>  <tt class="py-line">            <tt class="py-name">newActions</tt> <tt class="py-op">=</tt> <tt id="link-144" class="py-name"><a title="psychsim.agent.ValueFunction.set
psychsim.probability.Distribution.set" class="py-name" href="#" onclick="return doclink('link-144', 'set', 'link-10');">set</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L461"></a><tt class="py-lineno"> 461</tt>  <tt class="py-line">            <tt class="py-name">name</tt> <tt class="py-op">=</tt> <tt class="py-name">agents</tt><tt class="py-op">.</tt><tt class="py-name">pop</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L462"></a><tt class="py-lineno"> 462</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">subset</tt> <tt class="py-keyword">in</tt> <tt class="py-name">actions</tt><tt class="py-op">:</tt> </tt>
<a name="L463"></a><tt class="py-lineno"> 463</tt>  <tt class="py-line">                <tt class="py-keyword">for</tt> <tt id="link-145" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-145', 'action', 'link-0');">action</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-146" class="py-name" targets="Method psychsim.agent.Agent.getActions()=psychsim.agent.Agent-class.html#getActions,Method psychsim.world.World.getActions()=psychsim.world.World-class.html#getActions"><a title="psychsim.agent.Agent.getActions
psychsim.world.World.getActions" class="py-name" href="#" onclick="return doclink('link-146', 'getActions', 'link-146');">getActions</a></tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L464"></a><tt class="py-lineno"> 464</tt>  <tt class="py-line">                    <tt class="py-name">newActions</tt><tt class="py-op">.</tt><tt class="py-name">add</tt><tt class="py-op">(</tt><tt class="py-name">subset</tt> <tt class="py-op">|</tt> <tt id="link-147" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-147', 'action', 'link-0');">action</a></tt><tt class="py-op">)</tt> </tt>
<a name="L465"></a><tt class="py-lineno"> 465</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-148" class="py-name"><a title="psychsim.agent.Agent.getActions
psychsim.world.World.getActions" class="py-name" href="#" onclick="return doclink('link-148', 'getActions', 'link-146');">getActions</a></tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">,</tt><tt class="py-name">agents</tt><tt class="py-op">,</tt><tt class="py-name">newActions</tt><tt class="py-op">)</tt> </tt>
<a name="L466"></a><tt class="py-lineno"> 466</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L467"></a><tt class="py-lineno"> 467</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">actions</tt> </tt>
</div><a name="L468"></a><tt class="py-lineno"> 468</tt>  <tt class="py-line">                     </tt>
<a name="L469"></a><tt class="py-lineno"> 469</tt>  <tt class="py-line">    <tt class="py-string">"""-------------"""</tt> </tt>
<a name="L470"></a><tt class="py-lineno"> 470</tt>  <tt class="py-line">    <tt class="py-string">"""State methods"""</tt> </tt>
<a name="L471"></a><tt class="py-lineno"> 471</tt>  <tt class="py-line">    <tt class="py-string">"""-------------"""</tt> </tt>
<a name="L472"></a><tt class="py-lineno"> 472</tt>  <tt class="py-line"> </tt>
<a name="World.defineState"></a><div id="World.defineState-def"><a name="L473"></a><tt class="py-lineno"> 473</tt> <a class="py-toggle" href="#" id="World.defineState-toggle" onclick="return toggle('World.defineState');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#defineState">defineState</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">entity</tt><tt class="py-op">,</tt><tt class="py-param">feature</tt><tt class="py-op">,</tt><tt class="py-param">domain</tt><tt class="py-op">=</tt><tt class="py-name">float</tt><tt class="py-op">,</tt><tt class="py-param">lo</tt><tt class="py-op">=</tt><tt class="py-number">0.</tt><tt class="py-op">,</tt><tt class="py-param">hi</tt><tt class="py-op">=</tt><tt class="py-number">1.</tt><tt class="py-op">,</tt><tt class="py-param">description</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.defineState-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.defineState-expanded"><a name="L474"></a><tt class="py-lineno"> 474</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L475"></a><tt class="py-lineno"> 475</tt>  <tt class="py-line"><tt class="py-docstring">        Define a state feature in this world</tt> </tt>
<a name="L476"></a><tt class="py-lineno"> 476</tt>  <tt class="py-line"><tt class="py-docstring">        @param entity: the name of the entity this feature pertains to (C{None} if feature is on the world itself)</tt> </tt>
<a name="L477"></a><tt class="py-lineno"> 477</tt>  <tt class="py-line"><tt class="py-docstring">        @type entity: str</tt> </tt>
<a name="L478"></a><tt class="py-lineno"> 478</tt>  <tt class="py-line"><tt class="py-docstring">        @param feature: the name of this new state feature</tt> </tt>
<a name="L479"></a><tt class="py-lineno"> 479</tt>  <tt class="py-line"><tt class="py-docstring">        @type feature: str</tt> </tt>
<a name="L480"></a><tt class="py-lineno"> 480</tt>  <tt class="py-line"><tt class="py-docstring">        @param domain: the domain of values for this feature. Acceptable values are:</tt> </tt>
<a name="L481"></a><tt class="py-lineno"> 481</tt>  <tt class="py-line"><tt class="py-docstring">           - float: continuous range</tt> </tt>
<a name="L482"></a><tt class="py-lineno"> 482</tt>  <tt class="py-line"><tt class="py-docstring">           - int: discrete numeric range</tt> </tt>
<a name="L483"></a><tt class="py-lineno"> 483</tt>  <tt class="py-line"><tt class="py-docstring">           - bool: True/False value</tt> </tt>
<a name="L484"></a><tt class="py-lineno"> 484</tt>  <tt class="py-line"><tt class="py-docstring">           - list: enumerated set of discrete values</tt> </tt>
<a name="L485"></a><tt class="py-lineno"> 485</tt>  <tt class="py-line"><tt class="py-docstring">        @type domain: class</tt> </tt>
<a name="L486"></a><tt class="py-lineno"> 486</tt>  <tt class="py-line"><tt class="py-docstring">        @param lo: for float/int features, the lowest possible value. for list features, a list of possible values.</tt> </tt>
<a name="L487"></a><tt class="py-lineno"> 487</tt>  <tt class="py-line"><tt class="py-docstring">        @type lo: float/int/list</tt> </tt>
<a name="L488"></a><tt class="py-lineno"> 488</tt>  <tt class="py-line"><tt class="py-docstring">        @param hi: for float/int features, the highest possible value</tt> </tt>
<a name="L489"></a><tt class="py-lineno"> 489</tt>  <tt class="py-line"><tt class="py-docstring">        @type hi: float/int</tt> </tt>
<a name="L490"></a><tt class="py-lineno"> 490</tt>  <tt class="py-line"><tt class="py-docstring">        @param description: optional text description explaining what this state feature means</tt> </tt>
<a name="L491"></a><tt class="py-lineno"> 491</tt>  <tt class="py-line"><tt class="py-docstring">        @type description: str</tt> </tt>
<a name="L492"></a><tt class="py-lineno"> 492</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L493"></a><tt class="py-lineno"> 493</tt>  <tt class="py-line">        <tt class="py-name">key</tt> <tt class="py-op">=</tt> <tt id="link-149" class="py-name"><a title="psychsim.world.stateKey" class="py-name" href="#" onclick="return doclink('link-149', 'stateKey', 'link-86');">stateKey</a></tt><tt class="py-op">(</tt><tt class="py-name">entity</tt><tt class="py-op">,</tt><tt class="py-name">feature</tt><tt class="py-op">)</tt> </tt>
<a name="L494"></a><tt class="py-lineno"> 494</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">entity</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L495"></a><tt class="py-lineno"> 495</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L496"></a><tt class="py-lineno"> 496</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">feature</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-string">'domain'</tt><tt class="py-op">:</tt> <tt id="link-150" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-150', 'domain', 'link-22');">domain</a></tt><tt class="py-op">,</tt><tt class="py-string">'description'</tt><tt class="py-op">:</tt> <tt class="py-name">description</tt><tt class="py-op">}</tt> </tt>
<a name="L497"></a><tt class="py-lineno"> 497</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt id="link-151" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-151', 'domain', 'link-22');">domain</a></tt> <tt class="py-keyword">is</tt> <tt class="py-name">float</tt><tt class="py-op">:</tt> </tt>
<a name="L498"></a><tt class="py-lineno"> 498</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">feature</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-152" class="py-name"><a title="psychsim.pwl.KeyedMatrix.update
psychsim.pwl.MatrixDistribution.update" class="py-name" href="#" onclick="return doclink('link-152', 'update', 'link-40');">update</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt class="py-string">'lo'</tt><tt class="py-op">:</tt> <tt class="py-name">lo</tt><tt class="py-op">,</tt><tt class="py-string">'hi'</tt><tt class="py-op">:</tt> <tt class="py-name">hi</tt><tt class="py-op">}</tt><tt class="py-op">)</tt> </tt>
<a name="L499"></a><tt class="py-lineno"> 499</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">ranges</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">(</tt><tt class="py-name">lo</tt><tt class="py-op">,</tt><tt class="py-name">hi</tt><tt class="py-op">)</tt> </tt>
<a name="L500"></a><tt class="py-lineno"> 500</tt>  <tt class="py-line">        <tt class="py-keyword">elif</tt> <tt id="link-153" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-153', 'domain', 'link-22');">domain</a></tt> <tt class="py-keyword">is</tt> <tt class="py-name">int</tt><tt class="py-op">:</tt> </tt>
<a name="L501"></a><tt class="py-lineno"> 501</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">feature</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-154" class="py-name"><a title="psychsim.pwl.KeyedMatrix.update
psychsim.pwl.MatrixDistribution.update" class="py-name" href="#" onclick="return doclink('link-154', 'update', 'link-40');">update</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt class="py-string">'lo'</tt><tt class="py-op">:</tt> <tt class="py-name">int</tt><tt class="py-op">(</tt><tt class="py-name">lo</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-string">'hi'</tt><tt class="py-op">:</tt> <tt class="py-name">int</tt><tt class="py-op">(</tt><tt class="py-name">hi</tt><tt class="py-op">)</tt><tt class="py-op">}</tt><tt class="py-op">)</tt> </tt>
<a name="L502"></a><tt class="py-lineno"> 502</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">ranges</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">(</tt><tt class="py-name">lo</tt><tt class="py-op">,</tt><tt class="py-name">hi</tt><tt class="py-op">)</tt> </tt>
<a name="L503"></a><tt class="py-lineno"> 503</tt>  <tt class="py-line">        <tt class="py-keyword">elif</tt> <tt id="link-155" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-155', 'domain', 'link-22');">domain</a></tt> <tt class="py-keyword">is</tt> <tt class="py-name">list</tt><tt class="py-op">:</tt> </tt>
<a name="L504"></a><tt class="py-lineno"> 504</tt>  <tt class="py-line">            <tt class="py-keyword">assert</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">lo</tt><tt class="py-op">,</tt><tt class="py-name">list</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-string">'Please provide list of elements for state features of the list type'</tt> </tt>
<a name="L505"></a><tt class="py-lineno"> 505</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">feature</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-156" class="py-name"><a title="psychsim.pwl.KeyedMatrix.update
psychsim.pwl.MatrixDistribution.update" class="py-name" href="#" onclick="return doclink('link-156', 'update', 'link-40');">update</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt class="py-string">'elements'</tt><tt class="py-op">:</tt> <tt class="py-name">lo</tt><tt class="py-op">,</tt><tt class="py-string">'lo'</tt><tt class="py-op">:</tt> <tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-string">'hi'</tt><tt class="py-op">:</tt> <tt class="py-name">None</tt><tt class="py-op">}</tt><tt class="py-op">)</tt> </tt>
<a name="L506"></a><tt class="py-lineno"> 506</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">index</tt> <tt class="py-keyword">in</tt> <tt class="py-name">range</tt><tt class="py-op">(</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">lo</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L507"></a><tt class="py-lineno"> 507</tt>  <tt class="py-line">                <tt class="py-keyword">assert</tt> <tt class="py-keyword">not</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">symbols</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">lo</tt><tt class="py-op">[</tt><tt class="py-name">index</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-string">'Symbol %s already defined'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">lo</tt><tt class="py-op">[</tt><tt class="py-name">index</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L508"></a><tt class="py-lineno"> 508</tt>  <tt class="py-line">                <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">symbols</tt><tt class="py-op">[</tt><tt class="py-name">lo</tt><tt class="py-op">[</tt><tt class="py-name">index</tt><tt class="py-op">]</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">index</tt> </tt>
<a name="L509"></a><tt class="py-lineno"> 509</tt>  <tt class="py-line">        <tt class="py-keyword">elif</tt> <tt id="link-157" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-157', 'domain', 'link-22');">domain</a></tt> <tt class="py-keyword">is</tt> <tt class="py-name">bool</tt><tt class="py-op">:</tt> </tt>
<a name="L510"></a><tt class="py-lineno"> 510</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">feature</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-158" class="py-name"><a title="psychsim.pwl.KeyedMatrix.update
psychsim.pwl.MatrixDistribution.update" class="py-name" href="#" onclick="return doclink('link-158', 'update', 'link-40');">update</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt class="py-string">'lo'</tt><tt class="py-op">:</tt> <tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-string">'hi'</tt><tt class="py-op">:</tt> <tt class="py-name">None</tt><tt class="py-op">}</tt><tt class="py-op">)</tt> </tt>
<a name="L511"></a><tt class="py-lineno"> 511</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L512"></a><tt class="py-lineno"> 512</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">ValueError</tt><tt class="py-op">,</tt><tt class="py-string">'Unknown domain type %s for state feature'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt id="link-159" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-159', 'domain', 'link-22');">domain</a></tt><tt class="py-op">)</tt> </tt>
<a name="L513"></a><tt class="py-lineno"> 513</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">entity</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L514"></a><tt class="py-lineno"> 514</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">feature</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'key'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">feature</tt> </tt>
<a name="L515"></a><tt class="py-lineno"> 515</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L516"></a><tt class="py-lineno"> 516</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">feature</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'key'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">key</tt> </tt>
<a name="L517"></a><tt class="py-lineno"> 517</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">evaluationOrder</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">add</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">)</tt> </tt>
</div><a name="L518"></a><tt class="py-lineno"> 518</tt>  <tt class="py-line"> </tt>
<a name="World.setState"></a><div id="World.setState-def"><a name="L519"></a><tt class="py-lineno"> 519</tt> <a class="py-toggle" href="#" id="World.setState-toggle" onclick="return toggle('World.setState');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#setState">setState</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">entity</tt><tt class="py-op">,</tt><tt class="py-param">feature</tt><tt class="py-op">,</tt><tt class="py-param">value</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.setState-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.setState-expanded"><a name="L520"></a><tt class="py-lineno"> 520</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L521"></a><tt class="py-lineno"> 521</tt>  <tt class="py-line"><tt class="py-docstring">        @param entity: the name of the entity whose state feature we're setting (does not have to be an agent)</tt> </tt>
<a name="L522"></a><tt class="py-lineno"> 522</tt>  <tt class="py-line"><tt class="py-docstring">        @type entity: str</tt> </tt>
<a name="L523"></a><tt class="py-lineno"> 523</tt>  <tt class="py-line"><tt class="py-docstring">        @type feature: str</tt> </tt>
<a name="L524"></a><tt class="py-lineno"> 524</tt>  <tt class="py-line"><tt class="py-docstring">        @type value: float or L{Distribution}</tt> </tt>
<a name="L525"></a><tt class="py-lineno"> 525</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L526"></a><tt class="py-lineno"> 526</tt>  <tt class="py-line">        <tt class="py-keyword">assert</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">entity</tt><tt class="py-op">)</tt> <tt class="py-keyword">and</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">feature</tt><tt class="py-op">)</tt> </tt>
<a name="L527"></a><tt class="py-lineno"> 527</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">feature</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'domain'</tt><tt class="py-op">]</tt> <tt class="py-keyword">is</tt> <tt class="py-name">bool</tt><tt class="py-op">:</tt> </tt>
<a name="L528"></a><tt class="py-lineno"> 528</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt id="link-160" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-160', 'value', 'link-121');">value</a></tt><tt class="py-op">:</tt> </tt>
<a name="L529"></a><tt class="py-lineno"> 529</tt>  <tt class="py-line">                <tt id="link-161" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-161', 'value', 'link-121');">value</a></tt> <tt class="py-op">=</tt> <tt class="py-number">1.</tt> </tt>
<a name="L530"></a><tt class="py-lineno"> 530</tt>  <tt class="py-line">            <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L531"></a><tt class="py-lineno"> 531</tt>  <tt class="py-line">                <tt id="link-162" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-162', 'value', 'link-121');">value</a></tt> <tt class="py-op">=</tt> <tt class="py-number">0.</tt> </tt>
<a name="L532"></a><tt class="py-lineno"> 532</tt>  <tt class="py-line">        <tt class="py-keyword">elif</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">feature</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'domain'</tt><tt class="py-op">]</tt> <tt class="py-keyword">is</tt> <tt class="py-name">list</tt><tt class="py-op">:</tt> </tt>
<a name="L533"></a><tt class="py-lineno"> 533</tt>  <tt class="py-line">            <tt id="link-163" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-163', 'value', 'link-121');">value</a></tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">feature</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'elements'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">index</tt><tt class="py-op">(</tt><tt id="link-164" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-164', 'value', 'link-121');">value</a></tt><tt class="py-op">)</tt> </tt>
<a name="L534"></a><tt class="py-lineno"> 534</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L535"></a><tt class="py-lineno"> 535</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-165" class="py-name"><a title="psychsim.world.World.__NORMALIZE__" class="py-name" href="#" onclick="return doclink('link-165', '__NORMALIZE__', 'link-8');">__NORMALIZE__</a></tt><tt class="py-op">:</tt> </tt>
<a name="L536"></a><tt class="py-lineno"> 536</tt>  <tt class="py-line">                <tt class="py-name">lo</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">feature</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'lo'</tt><tt class="py-op">]</tt> </tt>
<a name="L537"></a><tt class="py-lineno"> 537</tt>  <tt class="py-line">                <tt class="py-name">hi</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">feature</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'hi'</tt><tt class="py-op">]</tt> </tt>
<a name="L538"></a><tt class="py-lineno"> 538</tt>  <tt class="py-line">                <tt id="link-166" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-166', 'value', 'link-121');">value</a></tt> <tt class="py-op">=</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt id="link-167" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-167', 'value', 'link-121');">value</a></tt><tt class="py-op">-</tt><tt class="py-name">lo</tt><tt class="py-op">)</tt><tt class="py-op">/</tt><tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">hi</tt><tt class="py-op">-</tt><tt class="py-name">lo</tt><tt class="py-op">)</tt> </tt>
<a name="L539"></a><tt class="py-lineno"> 539</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">entity</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L540"></a><tt class="py-lineno"> 540</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">state</tt><tt class="py-op">.</tt><tt id="link-168" class="py-name"><a title="psychsim.pwl.VectorDistribution.join" class="py-name" href="#" onclick="return doclink('link-168', 'join', 'link-116');">join</a></tt><tt class="py-op">(</tt><tt class="py-name">feature</tt><tt class="py-op">,</tt><tt id="link-169" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-169', 'value', 'link-121');">value</a></tt><tt class="py-op">)</tt> </tt>
<a name="L541"></a><tt class="py-lineno"> 541</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L542"></a><tt class="py-lineno"> 542</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">state</tt><tt class="py-op">.</tt><tt id="link-170" class="py-name"><a title="psychsim.pwl.VectorDistribution.join" class="py-name" href="#" onclick="return doclink('link-170', 'join', 'link-116');">join</a></tt><tt class="py-op">(</tt><tt id="link-171" class="py-name"><a title="psychsim.world.stateKey" class="py-name" href="#" onclick="return doclink('link-171', 'stateKey', 'link-86');">stateKey</a></tt><tt class="py-op">(</tt><tt class="py-name">entity</tt><tt class="py-op">,</tt><tt class="py-name">feature</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt id="link-172" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-172', 'value', 'link-121');">value</a></tt><tt class="py-op">)</tt> </tt>
</div><a name="L543"></a><tt class="py-lineno"> 543</tt>  <tt class="py-line"> </tt>
<a name="World.getState"></a><div id="World.getState-def"><a name="L544"></a><tt class="py-lineno"> 544</tt> <a class="py-toggle" href="#" id="World.getState-toggle" onclick="return toggle('World.getState');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#getState">getState</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">entity</tt><tt class="py-op">,</tt><tt class="py-param">feature</tt><tt class="py-op">,</tt><tt class="py-param">state</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.getState-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.getState-expanded"><a name="L545"></a><tt class="py-lineno"> 545</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L546"></a><tt class="py-lineno"> 546</tt>  <tt class="py-line"><tt class="py-docstring">        @param entity: the name of the entity of interest (C{None} if the feature of interest is of the world itself)</tt> </tt>
<a name="L547"></a><tt class="py-lineno"> 547</tt>  <tt class="py-line"><tt class="py-docstring">        @type entity: str</tt> </tt>
<a name="L548"></a><tt class="py-lineno"> 548</tt>  <tt class="py-line"><tt class="py-docstring">        @param feature: the state feature of interest</tt> </tt>
<a name="L549"></a><tt class="py-lineno"> 549</tt>  <tt class="py-line"><tt class="py-docstring">        @type feature: str</tt> </tt>
<a name="L550"></a><tt class="py-lineno"> 550</tt>  <tt class="py-line"><tt class="py-docstring">        @param state: the distribution over possible worlds (default is the current world state)</tt> </tt>
<a name="L551"></a><tt class="py-lineno"> 551</tt>  <tt class="py-line"><tt class="py-docstring">        @type state: L{VectorDistribution}</tt> </tt>
<a name="L552"></a><tt class="py-lineno"> 552</tt>  <tt class="py-line"><tt class="py-docstring">        @return: a distribution over values for the given feature</tt> </tt>
<a name="L553"></a><tt class="py-lineno"> 553</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: L{Distribution}</tt> </tt>
<a name="L554"></a><tt class="py-lineno"> 554</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L555"></a><tt class="py-lineno"> 555</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">state</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L556"></a><tt class="py-lineno"> 556</tt>  <tt class="py-line">            <tt class="py-name">state</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">state</tt> </tt>
<a name="L557"></a><tt class="py-lineno"> 557</tt>  <tt class="py-line">        <tt class="py-keyword">assert</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">entity</tt><tt class="py-op">)</tt> <tt class="py-keyword">and</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">feature</tt><tt class="py-op">)</tt> </tt>
<a name="L558"></a><tt class="py-lineno"> 558</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">entity</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L559"></a><tt class="py-lineno"> 559</tt>  <tt class="py-line">            <tt class="py-name">result</tt> <tt class="py-op">=</tt> <tt class="py-name">state</tt><tt class="py-op">.</tt><tt id="link-173" class="py-name" targets="Method psychsim.pwl.VectorDistribution.marginal()=psychsim.pwl.VectorDistribution-class.html#marginal"><a title="psychsim.pwl.VectorDistribution.marginal" class="py-name" href="#" onclick="return doclink('link-173', 'marginal', 'link-173');">marginal</a></tt><tt class="py-op">(</tt><tt class="py-name">feature</tt><tt class="py-op">)</tt> </tt>
<a name="L560"></a><tt class="py-lineno"> 560</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L561"></a><tt class="py-lineno"> 561</tt>  <tt class="py-line">            <tt class="py-name">result</tt> <tt class="py-op">=</tt> <tt class="py-name">state</tt><tt class="py-op">.</tt><tt id="link-174" class="py-name"><a title="psychsim.pwl.VectorDistribution.marginal" class="py-name" href="#" onclick="return doclink('link-174', 'marginal', 'link-173');">marginal</a></tt><tt class="py-op">(</tt><tt id="link-175" class="py-name"><a title="psychsim.world.stateKey" class="py-name" href="#" onclick="return doclink('link-175', 'stateKey', 'link-86');">stateKey</a></tt><tt class="py-op">(</tt><tt class="py-name">entity</tt><tt class="py-op">,</tt><tt class="py-name">feature</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L562"></a><tt class="py-lineno"> 562</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">feature</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'domain'</tt><tt class="py-op">]</tt> <tt class="py-keyword">is</tt> <tt class="py-name">bool</tt><tt class="py-op">:</tt> </tt>
<a name="L563"></a><tt class="py-lineno"> 563</tt>  <tt class="py-line">            <tt class="py-name">abstract</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-name">True</tt><tt class="py-op">:</tt> <tt class="py-number">0.</tt><tt class="py-op">,</tt><tt class="py-name">False</tt><tt class="py-op">:</tt> <tt class="py-number">0.</tt><tt class="py-op">}</tt> </tt>
<a name="L564"></a><tt class="py-lineno"> 564</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt id="link-176" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-176', 'value', 'link-121');">value</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">result</tt><tt class="py-op">.</tt><tt id="link-177" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-177', 'domain', 'link-22');">domain</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L565"></a><tt class="py-lineno"> 565</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt id="link-178" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-178', 'value', 'link-121');">value</a></tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0.5</tt><tt class="py-op">:</tt> </tt>
<a name="L566"></a><tt class="py-lineno"> 566</tt>  <tt class="py-line">                    <tt class="py-name">abstract</tt><tt class="py-op">[</tt><tt class="py-name">True</tt><tt class="py-op">]</tt> <tt class="py-op">+=</tt> <tt class="py-name">result</tt><tt class="py-op">[</tt><tt id="link-179" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-179', 'value', 'link-121');">value</a></tt><tt class="py-op">]</tt> </tt>
<a name="L567"></a><tt class="py-lineno"> 567</tt>  <tt class="py-line">                <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L568"></a><tt class="py-lineno"> 568</tt>  <tt class="py-line">                    <tt class="py-name">abstract</tt><tt class="py-op">[</tt><tt class="py-name">False</tt><tt class="py-op">]</tt> <tt class="py-op">+=</tt> <tt class="py-name">result</tt><tt class="py-op">[</tt><tt id="link-180" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-180', 'value', 'link-121');">value</a></tt><tt class="py-op">]</tt> </tt>
<a name="L569"></a><tt class="py-lineno"> 569</tt>  <tt class="py-line">            <tt class="py-name">result</tt> <tt class="py-op">=</tt> <tt id="link-181" class="py-name"><a title="psychsim.probability.Distribution" class="py-name" href="#" onclick="return doclink('link-181', 'Distribution', 'link-5');">Distribution</a></tt><tt class="py-op">(</tt><tt class="py-name">abstract</tt><tt class="py-op">)</tt> </tt>
<a name="L570"></a><tt class="py-lineno"> 570</tt>  <tt class="py-line">        <tt class="py-keyword">elif</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">feature</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'domain'</tt><tt class="py-op">]</tt> <tt class="py-keyword">is</tt> <tt class="py-name">list</tt><tt class="py-op">:</tt> </tt>
<a name="L571"></a><tt class="py-lineno"> 571</tt>  <tt class="py-line">            <tt class="py-name">abstract</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L572"></a><tt class="py-lineno"> 572</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt id="link-182" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-182', 'value', 'link-121');">value</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">result</tt><tt class="py-op">.</tt><tt id="link-183" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-183', 'domain', 'link-22');">domain</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L573"></a><tt class="py-lineno"> 573</tt>  <tt class="py-line">                <tt class="py-name">index</tt> <tt class="py-op">=</tt> <tt class="py-name">int</tt><tt class="py-op">(</tt><tt class="py-name">float</tt><tt class="py-op">(</tt><tt id="link-184" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-184', 'value', 'link-121');">value</a></tt><tt class="py-op">)</tt><tt class="py-op">+</tt><tt class="py-number">0.1</tt><tt class="py-op">)</tt> </tt>
<a name="L574"></a><tt class="py-lineno"> 574</tt>  <tt class="py-line">                <tt class="py-name">abstract</tt><tt class="py-op">[</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">feature</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'elements'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">index</tt><tt class="py-op">]</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">result</tt><tt class="py-op">[</tt><tt id="link-185" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-185', 'value', 'link-121');">value</a></tt><tt class="py-op">]</tt> </tt>
<a name="L575"></a><tt class="py-lineno"> 575</tt>  <tt class="py-line">            <tt class="py-name">result</tt> <tt class="py-op">=</tt> <tt id="link-186" class="py-name"><a title="psychsim.probability.Distribution" class="py-name" href="#" onclick="return doclink('link-186', 'Distribution', 'link-5');">Distribution</a></tt><tt class="py-op">(</tt><tt class="py-name">abstract</tt><tt class="py-op">)</tt> </tt>
<a name="L576"></a><tt class="py-lineno"> 576</tt>  <tt class="py-line">        <tt class="py-keyword">elif</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-187" class="py-name"><a title="psychsim.world.World.__NORMALIZE__" class="py-name" href="#" onclick="return doclink('link-187', '__NORMALIZE__', 'link-8');">__NORMALIZE__</a></tt><tt class="py-op">:</tt> </tt>
<a name="L577"></a><tt class="py-lineno"> 577</tt>  <tt class="py-line">            <tt class="py-name">abstract</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L578"></a><tt class="py-lineno"> 578</tt>  <tt class="py-line">            <tt class="py-name">lo</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">feature</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'lo'</tt><tt class="py-op">]</tt> </tt>
<a name="L579"></a><tt class="py-lineno"> 579</tt>  <tt class="py-line">            <tt class="py-name">hi</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">feature</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'hi'</tt><tt class="py-op">]</tt> </tt>
<a name="L580"></a><tt class="py-lineno"> 580</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt id="link-188" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-188', 'value', 'link-121');">value</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">result</tt><tt class="py-op">.</tt><tt id="link-189" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-189', 'domain', 'link-22');">domain</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L581"></a><tt class="py-lineno"> 581</tt>  <tt class="py-line">                <tt class="py-name">new</tt> <tt class="py-op">=</tt> <tt id="link-190" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-190', 'value', 'link-121');">value</a></tt><tt class="py-op">*</tt><tt class="py-op">(</tt><tt class="py-name">hi</tt><tt class="py-op">-</tt><tt class="py-name">lo</tt><tt class="py-op">)</tt> <tt class="py-op">+</tt> <tt class="py-name">lo</tt> </tt>
<a name="L582"></a><tt class="py-lineno"> 582</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">feature</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'domain'</tt><tt class="py-op">]</tt> <tt class="py-keyword">is</tt> <tt class="py-name">int</tt><tt class="py-op">:</tt> </tt>
<a name="L583"></a><tt class="py-lineno"> 583</tt>  <tt class="py-line">                    <tt class="py-name">new</tt> <tt class="py-op">=</tt> <tt class="py-name">int</tt><tt class="py-op">(</tt><tt class="py-name">new</tt><tt class="py-op">+</tt><tt class="py-number">0.5</tt><tt class="py-op">)</tt> </tt>
<a name="L584"></a><tt class="py-lineno"> 584</tt>  <tt class="py-line">                <tt class="py-name">abstract</tt><tt class="py-op">[</tt><tt class="py-name">new</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">result</tt><tt class="py-op">[</tt><tt id="link-191" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-191', 'value', 'link-121');">value</a></tt><tt class="py-op">]</tt> </tt>
<a name="L585"></a><tt class="py-lineno"> 585</tt>  <tt class="py-line">            <tt class="py-name">result</tt> <tt class="py-op">=</tt> <tt id="link-192" class="py-name"><a title="psychsim.probability.Distribution" class="py-name" href="#" onclick="return doclink('link-192', 'Distribution', 'link-5');">Distribution</a></tt><tt class="py-op">(</tt><tt class="py-name">abstract</tt><tt class="py-op">)</tt> </tt>
<a name="L586"></a><tt class="py-lineno"> 586</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">result</tt> </tt>
</div><a name="L587"></a><tt class="py-lineno"> 587</tt>  <tt class="py-line"> </tt>
<a name="World.getMentalModel"></a><div id="World.getMentalModel-def"><a name="L588"></a><tt class="py-lineno"> 588</tt> <a class="py-toggle" href="#" id="World.getMentalModel-toggle" onclick="return toggle('World.getMentalModel');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#getMentalModel">getMentalModel</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">modelee</tt><tt class="py-op">,</tt><tt class="py-param">vector</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.getMentalModel-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.getMentalModel-expanded"><a name="L589"></a><tt class="py-lineno"> 589</tt>  <tt class="py-line">        <tt id="link-193" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-193', 'agent', 'link-6');">agent</a></tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">[</tt><tt class="py-name">modelee</tt><tt class="py-op">]</tt> </tt>
<a name="L590"></a><tt class="py-lineno"> 590</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L591"></a><tt class="py-lineno"> 591</tt>  <tt class="py-line">            <tt class="py-name">model</tt> <tt class="py-op">=</tt> <tt id="link-194" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-194', 'agent', 'link-6');">agent</a></tt><tt class="py-op">.</tt><tt id="link-195" class="py-name" targets="Method psychsim.agent.Agent.index2model()=psychsim.agent.Agent-class.html#index2model"><a title="psychsim.agent.Agent.index2model" class="py-name" href="#" onclick="return doclink('link-195', 'index2model', 'link-195');">index2model</a></tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">[</tt><tt id="link-196" class="py-name"><a title="psychsim.world.modelKey" class="py-name" href="#" onclick="return doclink('link-196', 'modelKey', 'link-59');">modelKey</a></tt><tt class="py-op">(</tt><tt class="py-name">modelee</tt><tt class="py-op">)</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L592"></a><tt class="py-lineno"> 592</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</tt><tt class="py-op">:</tt> </tt>
<a name="L593"></a><tt class="py-lineno"> 593</tt>  <tt class="py-line">            <tt class="py-name">model</tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt> </tt>
<a name="L594"></a><tt class="py-lineno"> 594</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">model</tt> </tt>
</div><a name="L595"></a><tt class="py-lineno"> 595</tt>  <tt class="py-line"> </tt>
<a name="World.setMentalModel"></a><div id="World.setMentalModel-def"><a name="L596"></a><tt class="py-lineno"> 596</tt> <a class="py-toggle" href="#" id="World.setMentalModel-toggle" onclick="return toggle('World.setMentalModel');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#setMentalModel">setMentalModel</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">modeler</tt><tt class="py-op">,</tt><tt class="py-param">modelee</tt><tt class="py-op">,</tt><tt class="py-param">distribution</tt><tt class="py-op">,</tt><tt class="py-param">model</tt><tt class="py-op">=</tt><tt class="py-name">True</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.setMentalModel-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.setMentalModel-expanded"><a name="L597"></a><tt class="py-lineno"> 597</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L598"></a><tt class="py-lineno"> 598</tt>  <tt class="py-line"><tt class="py-docstring">        Sets the distribution over mental models one agent has of another entity</tt> </tt>
<a name="L599"></a><tt class="py-lineno"> 599</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L600"></a><tt class="py-lineno"> 600</tt>  <tt class="py-line">        <tt class="py-comment"># Make sure distribution is probability distribution over floats</tt> </tt>
<a name="L601"></a><tt class="py-lineno"> 601</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">distribution</tt><tt class="py-op">,</tt><tt class="py-name">dict</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L602"></a><tt class="py-lineno"> 602</tt>  <tt class="py-line">            <tt class="py-name">distribution</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-name">distribution</tt><tt class="py-op">:</tt> <tt class="py-number">1.</tt><tt class="py-op">}</tt> </tt>
<a name="L603"></a><tt class="py-lineno"> 603</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">distribution</tt><tt class="py-op">,</tt><tt id="link-197" class="py-name"><a title="psychsim.probability.Distribution" class="py-name" href="#" onclick="return doclink('link-197', 'Distribution', 'link-5');">Distribution</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L604"></a><tt class="py-lineno"> 604</tt>  <tt class="py-line">            <tt class="py-name">distribution</tt> <tt class="py-op">=</tt> <tt id="link-198" class="py-name"><a title="psychsim.probability.Distribution" class="py-name" href="#" onclick="return doclink('link-198', 'Distribution', 'link-5');">Distribution</a></tt><tt class="py-op">(</tt><tt class="py-name">distribution</tt><tt class="py-op">)</tt> </tt>
<a name="L605"></a><tt class="py-lineno"> 605</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">element</tt> <tt class="py-keyword">in</tt> <tt class="py-name">distribution</tt><tt class="py-op">.</tt><tt id="link-199" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-199', 'domain', 'link-22');">domain</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L606"></a><tt class="py-lineno"> 606</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">element</tt><tt class="py-op">,</tt><tt class="py-name">float</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L607"></a><tt class="py-lineno"> 607</tt>  <tt class="py-line">                <tt class="py-name">distribution</tt><tt class="py-op">.</tt><tt id="link-200" class="py-name" targets="Method psychsim.probability.Distribution.replace()=psychsim.probability.Distribution-class.html#replace"><a title="psychsim.probability.Distribution.replace" class="py-name" href="#" onclick="return doclink('link-200', 'replace', 'link-200');">replace</a></tt><tt class="py-op">(</tt><tt class="py-name">element</tt><tt class="py-op">,</tt><tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">[</tt><tt class="py-name">modelee</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-201" class="py-name" targets="Method psychsim.agent.Agent.model2index()=psychsim.agent.Agent-class.html#model2index"><a title="psychsim.agent.Agent.model2index" class="py-name" href="#" onclick="return doclink('link-201', 'model2index', 'link-201');">model2index</a></tt><tt class="py-op">(</tt><tt class="py-name">element</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L608"></a><tt class="py-lineno"> 608</tt>  <tt class="py-line">        <tt class="py-comment"># Make sure recursive levels match up</tt> </tt>
<a name="L609"></a><tt class="py-lineno"> 609</tt>  <tt class="py-line">        <tt class="py-name">modelerLevel</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">[</tt><tt class="py-name">modeler</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'level'</tt><tt class="py-op">]</tt> </tt>
<a name="L610"></a><tt class="py-lineno"> 610</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">element</tt> <tt class="py-keyword">in</tt> <tt class="py-name">distribution</tt><tt class="py-op">.</tt><tt id="link-202" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-202', 'domain', 'link-22');">domain</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L611"></a><tt class="py-lineno"> 611</tt>  <tt class="py-line">            <tt class="py-name">name</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">[</tt><tt class="py-name">modelee</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-203" class="py-name"><a title="psychsim.agent.Agent.index2model" class="py-name" href="#" onclick="return doclink('link-203', 'index2model', 'link-195');">index2model</a></tt><tt class="py-op">(</tt><tt class="py-name">element</tt><tt class="py-op">)</tt> </tt>
<a name="L612"></a><tt class="py-lineno"> 612</tt>  <tt class="py-line">            <tt class="py-keyword">assert</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">[</tt><tt class="py-name">modelee</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'level'</tt><tt class="py-op">]</tt> <tt class="py-op">==</tt> <tt class="py-name">modelerLevel</tt> <tt class="py-op">-</tt> <tt class="py-number">1</tt><tt class="py-op">,</tt>\ </tt>
<a name="L613"></a><tt class="py-lineno"> 613</tt>  <tt class="py-line">                <tt class="py-string">'Agent %s\'s %s model has belief level of %d, so its model %s for agent %s must have belief level of %d'</tt> <tt class="py-op">%</tt> \ </tt>
<a name="L614"></a><tt class="py-lineno"> 614</tt>  <tt class="py-line">                <tt class="py-op">(</tt><tt class="py-name">modeler</tt><tt class="py-op">,</tt><tt class="py-name">model</tt><tt class="py-op">,</tt><tt class="py-name">modelerLevel</tt><tt class="py-op">,</tt><tt class="py-name">name</tt><tt class="py-op">,</tt><tt class="py-name">modelee</tt><tt class="py-op">,</tt><tt class="py-name">modelerLevel</tt><tt class="py-op">-</tt><tt class="py-number">1</tt><tt class="py-op">)</tt> </tt>
<a name="L615"></a><tt class="py-lineno"> 615</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">[</tt><tt class="py-name">modeler</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-204" class="py-name" targets="Method psychsim.agent.Agent.setBelief()=psychsim.agent.Agent-class.html#setBelief"><a title="psychsim.agent.Agent.setBelief" class="py-name" href="#" onclick="return doclink('link-204', 'setBelief', 'link-204');">setBelief</a></tt><tt class="py-op">(</tt><tt id="link-205" class="py-name"><a title="psychsim.world.modelKey" class="py-name" href="#" onclick="return doclink('link-205', 'modelKey', 'link-59');">modelKey</a></tt><tt class="py-op">(</tt><tt class="py-name">modelee</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-name">distribution</tt><tt class="py-op">,</tt><tt class="py-name">model</tt><tt class="py-op">)</tt> </tt>
</div><a name="L616"></a><tt class="py-lineno"> 616</tt>  <tt class="py-line"> </tt>
<a name="World.updateModels"></a><div id="World.updateModels-def"><a name="L617"></a><tt class="py-lineno"> 617</tt> <a class="py-toggle" href="#" id="World.updateModels-toggle" onclick="return toggle('World.updateModels');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#updateModels">updateModels</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">outcome</tt><tt class="py-op">,</tt><tt class="py-param">vector</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.updateModels-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.updateModels-expanded"><a name="L618"></a><tt class="py-lineno"> 618</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">name</tt> <tt class="py-keyword">in</tt> <tt id="link-206" class="py-name"><a title="psychsim.pwl.KeyedVector.filter" class="py-name" href="#" onclick="return doclink('link-206', 'filter', 'link-119');">filter</a></tt><tt class="py-op">(</tt><tt class="py-keyword">lambda</tt> <tt class="py-name">n</tt><tt class="py-op">:</tt> <tt class="py-keyword">not</tt> <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'actions'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">n</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> </tt>
<a name="L619"></a><tt class="py-lineno"> 619</tt>  <tt class="py-line">                           <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">.</tt><tt class="py-name">keys</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L620"></a><tt class="py-lineno"> 620</tt>  <tt class="py-line">            <tt class="py-comment"># Consider agents who did *not* act</tt> </tt>
<a name="L621"></a><tt class="py-lineno"> 621</tt>  <tt class="py-line">            <tt class="py-name">label</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-207" class="py-name"><a title="psychsim.world.World.getMentalModel" class="py-name" href="#" onclick="return doclink('link-207', 'getMentalModel', 'link-31');">getMentalModel</a></tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">,</tt><tt class="py-name">vector</tt><tt class="py-op">)</tt> </tt>
<a name="L622"></a><tt class="py-lineno"> 622</tt>  <tt class="py-line">            <tt class="py-name">model</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">label</tt><tt class="py-op">]</tt> </tt>
<a name="L623"></a><tt class="py-lineno"> 623</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">model</tt><tt class="py-op">[</tt><tt class="py-string">'beliefs'</tt><tt class="py-op">]</tt> <tt class="py-keyword">is</tt> <tt class="py-name">True</tt><tt class="py-op">:</tt> </tt>
<a name="L624"></a><tt class="py-lineno"> 624</tt>  <tt class="py-line">                <tt class="py-keyword">for</tt> <tt class="py-name">actor</tt><tt class="py-op">,</tt><tt class="py-name">actions</tt> <tt class="py-keyword">in</tt> <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'actions'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">items</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L625"></a><tt class="py-lineno"> 625</tt>  <tt class="py-line">                    <tt class="py-comment"># Consider each agent who *did* act</tt> </tt>
<a name="L626"></a><tt class="py-lineno"> 626</tt>  <tt class="py-line">                    <tt class="py-name">actorKey</tt> <tt class="py-op">=</tt> <tt id="link-208" class="py-name"><a title="psychsim.world.modelKey" class="py-name" href="#" onclick="return doclink('link-208', 'modelKey', 'link-59');">modelKey</a></tt><tt class="py-op">(</tt><tt class="py-name">actor</tt><tt class="py-op">)</tt> </tt>
<a name="L627"></a><tt class="py-lineno"> 627</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-name">model</tt><tt class="py-op">[</tt><tt class="py-string">'beliefs'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-209" class="py-name" targets="Method psychsim.pwl.VectorDistribution.hasColumn()=psychsim.pwl.VectorDistribution-class.html#hasColumn"><a title="psychsim.pwl.VectorDistribution.hasColumn" class="py-name" href="#" onclick="return doclink('link-209', 'hasColumn', 'link-209');">hasColumn</a></tt><tt class="py-op">(</tt><tt class="py-name">actorKey</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L628"></a><tt class="py-lineno"> 628</tt>  <tt class="py-line">                        <tt class="py-comment"># Agent has uncertain beliefs about this actor</tt> </tt>
<a name="L629"></a><tt class="py-lineno"> 629</tt>  <tt class="py-line">                        <tt class="py-name">belief</tt> <tt class="py-op">=</tt> <tt class="py-name">model</tt><tt class="py-op">[</tt><tt class="py-string">'beliefs'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-210" class="py-name"><a title="psychsim.pwl.VectorDistribution.marginal" class="py-name" href="#" onclick="return doclink('link-210', 'marginal', 'link-173');">marginal</a></tt><tt class="py-op">(</tt><tt class="py-name">actorKey</tt><tt class="py-op">)</tt> </tt>
<a name="L630"></a><tt class="py-lineno"> 630</tt>  <tt class="py-line">                        <tt class="py-name">prob</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L631"></a><tt class="py-lineno"> 631</tt>  <tt class="py-line">                        <tt class="py-keyword">for</tt> <tt class="py-name">index</tt> <tt class="py-keyword">in</tt> <tt class="py-name">belief</tt><tt class="py-op">.</tt><tt id="link-211" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-211', 'domain', 'link-22');">domain</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L632"></a><tt class="py-lineno"> 632</tt>  <tt class="py-line">                            <tt class="py-comment"># Consider the hypothesis mental models of this actor</tt> </tt>
<a name="L633"></a><tt class="py-lineno"> 633</tt>  <tt class="py-line">                            <tt class="py-name">hypothesis</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">[</tt><tt class="py-name">actor</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">[</tt><tt class="py-name">actor</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-212" class="py-name"><a title="psychsim.agent.Agent.index2model" class="py-name" href="#" onclick="return doclink('link-212', 'index2model', 'link-195');">index2model</a></tt><tt class="py-op">(</tt><tt class="py-name">index</tt><tt class="py-op">)</tt><tt class="py-op">]</tt> </tt>
<a name="L634"></a><tt class="py-lineno"> 634</tt>  <tt class="py-line">                            <tt class="py-name">denominator</tt> <tt class="py-op">=</tt> <tt class="py-number">0.</tt> </tt>
<a name="L635"></a><tt class="py-lineno"> 635</tt>  <tt class="py-line">                            <tt class="py-name">V</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L636"></a><tt class="py-lineno"> 636</tt>  <tt class="py-line">                            <tt class="py-keyword">for</tt> <tt class="py-name">alternative</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">[</tt><tt class="py-name">actor</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-213" class="py-name"><a title="psychsim.agent.Agent.getActions
psychsim.world.World.getActions" class="py-name" href="#" onclick="return doclink('link-213', 'getActions', 'link-146');">getActions</a></tt><tt class="py-op">(</tt><tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'old'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L637"></a><tt class="py-lineno"> 637</tt>  <tt class="py-line">                                <tt class="py-comment"># Evaluate all available actions with respect to the hypothesized mental model</tt> </tt>
<a name="L638"></a><tt class="py-lineno"> 638</tt>  <tt class="py-line">                                <tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">alternative</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">[</tt><tt class="py-name">actor</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-214" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-214', 'value', 'link-121');">value</a></tt><tt class="py-op">(</tt><tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'old'</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">alternative</tt><tt class="py-op">,</tt><tt class="py-name">model</tt><tt class="py-op">=</tt><tt class="py-name">hypothesis</tt><tt class="py-op">[</tt><tt class="py-string">'name'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">[</tt><tt class="py-string">'V'</tt><tt class="py-op">]</tt> </tt>
<a name="L639"></a><tt class="py-lineno"> 639</tt>  <tt class="py-line">                                <tt class="py-name">denominator</tt> <tt class="py-op">+=</tt> <tt class="py-name">math</tt><tt class="py-op">.</tt><tt class="py-name">exp</tt><tt class="py-op">(</tt><tt class="py-name">hypothesis</tt><tt class="py-op">[</tt><tt class="py-string">'rationality'</tt><tt class="py-op">]</tt><tt class="py-op">*</tt><tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">alternative</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L640"></a><tt class="py-lineno"> 640</tt>  <tt class="py-line">                            <tt class="py-comment"># Convert into probability distribution of observed action given hypothesized mental model</tt> </tt>
<a name="L641"></a><tt class="py-lineno"> 641</tt>  <tt class="py-line">                            <tt class="py-name">prob</tt><tt class="py-op">[</tt><tt class="py-name">index</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">math</tt><tt class="py-op">.</tt><tt class="py-name">exp</tt><tt class="py-op">(</tt><tt class="py-name">hypothesis</tt><tt class="py-op">[</tt><tt class="py-string">'rationality'</tt><tt class="py-op">]</tt><tt class="py-op">*</tt><tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">actions</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">/</tt><tt class="py-name">denominator</tt> </tt>
<a name="L642"></a><tt class="py-lineno"> 642</tt>  <tt class="py-line">                            <tt class="py-keyword">print</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">[</tt><tt class="py-name">actor</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-215" class="py-name"><a title="psychsim.agent.Agent.index2model" class="py-name" href="#" onclick="return doclink('link-215', 'index2model', 'link-195');">index2model</a></tt><tt class="py-op">(</tt><tt class="py-name">index</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-name">prob</tt><tt class="py-op">[</tt><tt class="py-name">index</tt><tt class="py-op">]</tt> </tt>
<a name="L643"></a><tt class="py-lineno"> 643</tt>  <tt class="py-line">                            <tt class="py-comment"># Bayes' rule</tt> </tt>
<a name="L644"></a><tt class="py-lineno"> 644</tt>  <tt class="py-line">                            <tt class="py-name">prob</tt><tt class="py-op">[</tt><tt class="py-name">index</tt><tt class="py-op">]</tt> <tt class="py-op">*=</tt> <tt class="py-name">belief</tt><tt class="py-op">[</tt><tt class="py-name">index</tt><tt class="py-op">]</tt> </tt>
<a name="L645"></a><tt class="py-lineno"> 645</tt>  <tt class="py-line">                        <tt class="py-comment"># Update posterior beliefs over mental models</tt> </tt>
<a name="L646"></a><tt class="py-lineno"> 646</tt>  <tt class="py-line">                        <tt class="py-name">prob</tt> <tt class="py-op">=</tt> <tt id="link-216" class="py-name"><a title="psychsim.probability.Distribution" class="py-name" href="#" onclick="return doclink('link-216', 'Distribution', 'link-5');">Distribution</a></tt><tt class="py-op">(</tt><tt class="py-name">prob</tt><tt class="py-op">)</tt> </tt>
<a name="L647"></a><tt class="py-lineno"> 647</tt>  <tt class="py-line">                        <tt class="py-name">prob</tt><tt class="py-op">.</tt><tt id="link-217" class="py-name" targets="Method psychsim.probability.Distribution.normalize()=psychsim.probability.Distribution-class.html#normalize"><a title="psychsim.probability.Distribution.normalize" class="py-name" href="#" onclick="return doclink('link-217', 'normalize', 'link-217');">normalize</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L648"></a><tt class="py-lineno"> 648</tt>  <tt class="py-line">                        <tt class="py-name">model</tt><tt class="py-op">[</tt><tt class="py-string">'beliefs'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-218" class="py-name"><a title="psychsim.pwl.VectorDistribution.join" class="py-name" href="#" onclick="return doclink('link-218', 'join', 'link-116');">join</a></tt><tt class="py-op">(</tt><tt class="py-name">actorKey</tt><tt class="py-op">,</tt><tt class="py-name">prob</tt><tt class="py-op">)</tt> </tt>
</div><a name="L649"></a><tt class="py-lineno"> 649</tt>  <tt class="py-line"> </tt>
<a name="World.scaleState"></a><div id="World.scaleState-def"><a name="L650"></a><tt class="py-lineno"> 650</tt> <a class="py-toggle" href="#" id="World.scaleState-toggle" onclick="return toggle('World.scaleState');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#scaleState">scaleState</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">vector</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.scaleState-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.scaleState-expanded"><a name="L651"></a><tt class="py-lineno"> 651</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L652"></a><tt class="py-lineno"> 652</tt>  <tt class="py-line"><tt class="py-docstring">        Normalizes the given state vector so that all elements occur in [0,1]</tt> </tt>
<a name="L653"></a><tt class="py-lineno"> 653</tt>  <tt class="py-line"><tt class="py-docstring">        @param vector: the vector to normalize</tt> </tt>
<a name="L654"></a><tt class="py-lineno"> 654</tt>  <tt class="py-line"><tt class="py-docstring">        @type vector: L{KeyedVector}</tt> </tt>
<a name="L655"></a><tt class="py-lineno"> 655</tt>  <tt class="py-line"><tt class="py-docstring">        @return: the normalized vector</tt> </tt>
<a name="L656"></a><tt class="py-lineno"> 656</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: L{KeyedVector}</tt> </tt>
<a name="L657"></a><tt class="py-lineno"> 657</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L658"></a><tt class="py-lineno"> 658</tt>  <tt class="py-line">        <tt class="py-name">result</tt> <tt class="py-op">=</tt> <tt class="py-name">vector</tt><tt class="py-op">.</tt><tt class="py-name">__class__</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L659"></a><tt class="py-lineno"> 659</tt>  <tt class="py-line">        <tt class="py-name">remaining</tt> <tt class="py-op">=</tt> <tt class="py-name">dict</tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">)</tt> </tt>
<a name="L660"></a><tt class="py-lineno"> 660</tt>  <tt class="py-line">        <tt class="py-comment"># Handle defined state features</tt> </tt>
<a name="L661"></a><tt class="py-lineno"> 661</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">entity</tt><tt class="py-op">,</tt><tt class="py-name">table</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">.</tt><tt class="py-name">items</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L662"></a><tt class="py-lineno"> 662</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">feature</tt><tt class="py-op">,</tt><tt class="py-name">entry</tt> <tt class="py-keyword">in</tt> <tt class="py-name">table</tt><tt class="py-op">.</tt><tt class="py-name">items</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L663"></a><tt class="py-lineno"> 663</tt>  <tt class="py-line">                <tt class="py-name">key</tt> <tt class="py-op">=</tt> <tt id="link-219" class="py-name"><a title="psychsim.world.stateKey" class="py-name" href="#" onclick="return doclink('link-219', 'stateKey', 'link-86');">stateKey</a></tt><tt class="py-op">(</tt><tt class="py-name">entity</tt><tt class="py-op">,</tt><tt class="py-name">feature</tt><tt class="py-op">)</tt> </tt>
<a name="L664"></a><tt class="py-lineno"> 664</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">remaining</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L665"></a><tt class="py-lineno"> 665</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-name">entry</tt><tt class="py-op">[</tt><tt class="py-string">'domain'</tt><tt class="py-op">]</tt> <tt class="py-keyword">is</tt> <tt class="py-name">float</tt> <tt class="py-keyword">or</tt> <tt class="py-name">entry</tt><tt class="py-op">[</tt><tt class="py-string">'domain'</tt><tt class="py-op">]</tt> <tt class="py-keyword">is</tt> <tt class="py-name">int</tt><tt class="py-op">:</tt> </tt>
<a name="L666"></a><tt class="py-lineno"> 666</tt>  <tt class="py-line">                        <tt class="py-comment"># Scale by range of possible values</tt> </tt>
<a name="L667"></a><tt class="py-lineno"> 667</tt>  <tt class="py-line">                        <tt class="py-name">new</tt> <tt class="py-op">=</tt> <tt class="py-name">remaining</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt><tt class="py-op">-</tt><tt class="py-name">entry</tt><tt class="py-op">[</tt><tt class="py-string">'lo'</tt><tt class="py-op">]</tt> </tt>
<a name="L668"></a><tt class="py-lineno"> 668</tt>  <tt class="py-line">                        <tt class="py-name">new</tt> <tt class="py-op">/=</tt> <tt class="py-name">entry</tt><tt class="py-op">[</tt><tt class="py-string">'hi'</tt><tt class="py-op">]</tt><tt class="py-op">-</tt><tt class="py-name">entry</tt><tt class="py-op">[</tt><tt class="py-string">'lo'</tt><tt class="py-op">]</tt> </tt>
<a name="L669"></a><tt class="py-lineno"> 669</tt>  <tt class="py-line">                    <tt class="py-keyword">elif</tt> <tt class="py-name">entry</tt><tt class="py-op">[</tt><tt class="py-string">'domain'</tt><tt class="py-op">]</tt> <tt class="py-keyword">is</tt> <tt class="py-name">list</tt><tt class="py-op">:</tt> </tt>
<a name="L670"></a><tt class="py-lineno"> 670</tt>  <tt class="py-line">                        <tt class="py-comment"># Scale by size of set of values</tt> </tt>
<a name="L671"></a><tt class="py-lineno"> 671</tt>  <tt class="py-line">                        <tt class="py-name">new</tt> <tt class="py-op">=</tt> <tt class="py-name">remaining</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt><tt class="py-op">/</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">entry</tt><tt class="py-op">[</tt><tt class="py-string">'elements'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L672"></a><tt class="py-lineno"> 672</tt>  <tt class="py-line">                    <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L673"></a><tt class="py-lineno"> 673</tt>  <tt class="py-line">                        <tt class="py-name">new</tt> <tt class="py-op">=</tt> <tt class="py-name">remaining</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> </tt>
<a name="L674"></a><tt class="py-lineno"> 674</tt>  <tt class="py-line">                    <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">new</tt> </tt>
<a name="L675"></a><tt class="py-lineno"> 675</tt>  <tt class="py-line">                    <tt class="py-keyword">del</tt> <tt class="py-name">remaining</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> </tt>
<a name="L676"></a><tt class="py-lineno"> 676</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">name</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">.</tt><tt class="py-name">keys</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L677"></a><tt class="py-lineno"> 677</tt>  <tt class="py-line">            <tt class="py-comment"># Handle turns</tt> </tt>
<a name="L678"></a><tt class="py-lineno"> 678</tt>  <tt class="py-line">            <tt class="py-name">key</tt> <tt class="py-op">=</tt> <tt id="link-220" class="py-name"><a title="psychsim.world.turnKey" class="py-name" href="#" onclick="return doclink('link-220', 'turnKey', 'link-117');">turnKey</a></tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">)</tt> </tt>
<a name="L679"></a><tt class="py-lineno"> 679</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">remaining</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L680"></a><tt class="py-lineno"> 680</tt>  <tt class="py-line">                <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">remaining</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">/</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">)</tt> </tt>
<a name="L681"></a><tt class="py-lineno"> 681</tt>  <tt class="py-line">                <tt class="py-keyword">del</tt> <tt class="py-name">remaining</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> </tt>
<a name="L682"></a><tt class="py-lineno"> 682</tt>  <tt class="py-line">            <tt class="py-comment"># Handle models</tt> </tt>
<a name="L683"></a><tt class="py-lineno"> 683</tt>  <tt class="py-line">            <tt class="py-name">key</tt> <tt class="py-op">=</tt> <tt id="link-221" class="py-name"><a title="psychsim.world.modelKey" class="py-name" href="#" onclick="return doclink('link-221', 'modelKey', 'link-59');">modelKey</a></tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">)</tt> </tt>
<a name="L684"></a><tt class="py-lineno"> 684</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">remaining</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L685"></a><tt class="py-lineno"> 685</tt>  <tt class="py-line">                <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">remaining</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">/</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">)</tt> </tt>
<a name="L686"></a><tt class="py-lineno"> 686</tt>  <tt class="py-line">                <tt class="py-keyword">del</tt> <tt class="py-name">remaining</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> </tt>
<a name="L687"></a><tt class="py-lineno"> 687</tt>  <tt class="py-line">        <tt class="py-comment"># Handle constant term</tt> </tt>
<a name="L688"></a><tt class="py-lineno"> 688</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">remaining</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt id="link-222" class="py-name"><a title="psychsim.pwl.CONSTANT" class="py-name" href="#" onclick="return doclink('link-222', 'CONSTANT', 'link-14');">CONSTANT</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L689"></a><tt class="py-lineno"> 689</tt>  <tt class="py-line">            <tt class="py-name">result</tt><tt class="py-op">[</tt><tt id="link-223" class="py-name"><a title="psychsim.pwl.CONSTANT" class="py-name" href="#" onclick="return doclink('link-223', 'CONSTANT', 'link-14');">CONSTANT</a></tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">remaining</tt><tt class="py-op">[</tt><tt id="link-224" class="py-name"><a title="psychsim.pwl.CONSTANT" class="py-name" href="#" onclick="return doclink('link-224', 'CONSTANT', 'link-14');">CONSTANT</a></tt><tt class="py-op">]</tt> </tt>
<a name="L690"></a><tt class="py-lineno"> 690</tt>  <tt class="py-line">            <tt class="py-keyword">del</tt> <tt class="py-name">remaining</tt><tt class="py-op">[</tt><tt id="link-225" class="py-name"><a title="psychsim.pwl.CONSTANT" class="py-name" href="#" onclick="return doclink('link-225', 'CONSTANT', 'link-14');">CONSTANT</a></tt><tt class="py-op">]</tt> </tt>
<a name="L691"></a><tt class="py-lineno"> 691</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">remaining</tt><tt class="py-op">:</tt> </tt>
<a name="L692"></a><tt class="py-lineno"> 692</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">NameError</tt><tt class="py-op">,</tt><tt class="py-string">'Unprocessed keys: %s'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">remaining</tt><tt class="py-op">.</tt><tt class="py-name">keys</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L693"></a><tt class="py-lineno"> 693</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">result</tt> </tt>
</div><a name="L694"></a><tt class="py-lineno"> 694</tt>  <tt class="py-line"> </tt>
<a name="World.reachable"></a><div id="World.reachable-def"><a name="L695"></a><tt class="py-lineno"> 695</tt> <a class="py-toggle" href="#" id="World.reachable-toggle" onclick="return toggle('World.reachable');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#reachable">reachable</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">vector</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">transition</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">horizon</tt><tt class="py-op">=</tt><tt class="py-op">-</tt><tt class="py-number">1</tt><tt class="py-op">,</tt><tt class="py-param">ignore</tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.reachable-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.reachable-expanded"><a name="L696"></a><tt class="py-lineno"> 696</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L697"></a><tt class="py-lineno"> 697</tt>  <tt class="py-line"><tt class="py-docstring">        @return: transition matrix among states reachable from the given state (default is current state)</tt> </tt>
<a name="L698"></a><tt class="py-lineno"> 698</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: KeyedVectorS{-&gt;}ActionSetS{-&gt;}VectorDistribution</tt> </tt>
<a name="L699"></a><tt class="py-lineno"> 699</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L700"></a><tt class="py-lineno"> 700</tt>  <tt class="py-line">        <tt class="py-name">envelope</tt> <tt class="py-op">=</tt> <tt id="link-226" class="py-name"><a title="psychsim.agent.ValueFunction.set
psychsim.probability.Distribution.set" class="py-name" href="#" onclick="return doclink('link-226', 'set', 'link-10');">set</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L701"></a><tt class="py-lineno"> 701</tt>  <tt class="py-line">        <tt class="py-name">transition</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L702"></a><tt class="py-lineno"> 702</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">vector</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L703"></a><tt class="py-lineno"> 703</tt>  <tt class="py-line">            <tt class="py-comment"># Initialize with current state</tt> </tt>
<a name="L704"></a><tt class="py-lineno"> 704</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">vector</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">state</tt><tt class="py-op">.</tt><tt id="link-227" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-227', 'domain', 'link-22');">domain</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L705"></a><tt class="py-lineno"> 705</tt>  <tt class="py-line">                <tt class="py-name">envelope</tt><tt class="py-op">.</tt><tt class="py-name">add</tt><tt class="py-op">(</tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">,</tt><tt class="py-name">horizon</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L706"></a><tt class="py-lineno"> 706</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L707"></a><tt class="py-lineno"> 707</tt>  <tt class="py-line">            <tt class="py-comment"># Initialize with given state</tt> </tt>
<a name="L708"></a><tt class="py-lineno"> 708</tt>  <tt class="py-line">            <tt class="py-name">envelope</tt><tt class="py-op">.</tt><tt class="py-name">add</tt><tt class="py-op">(</tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">,</tt><tt class="py-name">horizon</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L709"></a><tt class="py-lineno"> 709</tt>  <tt class="py-line">        <tt class="py-keyword">while</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">envelope</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L710"></a><tt class="py-lineno"> 710</tt>  <tt class="py-line">            <tt class="py-name">vector</tt><tt class="py-op">,</tt><tt class="py-name">horizon</tt> <tt class="py-op">=</tt> <tt class="py-name">envelope</tt><tt class="py-op">.</tt><tt class="py-name">pop</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L711"></a><tt class="py-lineno"> 711</tt>  <tt class="py-line">            <tt class="py-name">node</tt> <tt class="py-op">=</tt> <tt class="py-name">vector</tt><tt class="py-op">.</tt><tt id="link-228" class="py-name"><a title="psychsim.pwl.KeyedVector.filter" class="py-name" href="#" onclick="return doclink('link-228', 'filter', 'link-119');">filter</a></tt><tt class="py-op">(</tt><tt class="py-name">ignore</tt><tt class="py-op">)</tt> </tt>
<a name="L712"></a><tt class="py-lineno"> 712</tt>  <tt class="py-line">            <tt class="py-comment"># Process next steps from this state</tt> </tt>
<a name="L713"></a><tt class="py-lineno"> 713</tt>  <tt class="py-line">            <tt class="py-name">transition</tt><tt class="py-op">[</tt><tt class="py-name">node</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L714"></a><tt class="py-lineno"> 714</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-229" class="py-name"><a title="psychsim.world.World.terminated" class="py-name" href="#" onclick="return doclink('link-229', 'terminated', 'link-28');">terminated</a></tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">)</tt> <tt class="py-keyword">and</tt> <tt class="py-name">horizon</tt> <tt class="py-op">!=</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L715"></a><tt class="py-lineno"> 715</tt>  <tt class="py-line">                <tt class="py-keyword">for</tt> <tt class="py-name">actions</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-230" class="py-name"><a title="psychsim.agent.Agent.getActions
psychsim.world.World.getActions" class="py-name" href="#" onclick="return doclink('link-230', 'getActions', 'link-146');">getActions</a></tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L716"></a><tt class="py-lineno"> 716</tt>  <tt class="py-line">                    <tt class="py-name">future</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-231" class="py-name"><a title="psychsim.world.World.stepFromState" class="py-name" href="#" onclick="return doclink('link-231', 'stepFromState', 'link-23');">stepFromState</a></tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">,</tt><tt class="py-name">actions</tt><tt class="py-op">)</tt><tt class="py-op">[</tt><tt class="py-string">'new'</tt><tt class="py-op">]</tt> </tt>
<a name="L717"></a><tt class="py-lineno"> 717</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">future</tt><tt class="py-op">,</tt><tt id="link-232" class="py-name"><a title="psychsim.pwl.KeyedVector" class="py-name" href="#" onclick="return doclink('link-232', 'KeyedVector', 'link-13');">KeyedVector</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L718"></a><tt class="py-lineno"> 718</tt>  <tt class="py-line">                        <tt class="py-name">future</tt> <tt class="py-op">=</tt> <tt id="link-233" class="py-name"><a title="psychsim.pwl.VectorDistribution" class="py-name" href="#" onclick="return doclink('link-233', 'VectorDistribution', 'link-9');">VectorDistribution</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt class="py-name">future</tt><tt class="py-op">:</tt> <tt class="py-number">1.</tt><tt class="py-op">}</tt><tt class="py-op">)</tt> </tt>
<a name="L719"></a><tt class="py-lineno"> 719</tt>  <tt class="py-line">                    <tt class="py-name">transition</tt><tt class="py-op">[</tt><tt class="py-name">node</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">actions</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt id="link-234" class="py-name"><a title="psychsim.pwl.VectorDistribution" class="py-name" href="#" onclick="return doclink('link-234', 'VectorDistribution', 'link-9');">VectorDistribution</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L720"></a><tt class="py-lineno"> 720</tt>  <tt class="py-line">                    <tt class="py-keyword">for</tt> <tt class="py-name">newVector</tt> <tt class="py-keyword">in</tt> <tt class="py-name">future</tt><tt class="py-op">.</tt><tt id="link-235" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-235', 'domain', 'link-22');">domain</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L721"></a><tt class="py-lineno"> 721</tt>  <tt class="py-line">                        <tt class="py-name">newNode</tt> <tt class="py-op">=</tt> <tt class="py-name">newVector</tt><tt class="py-op">.</tt><tt id="link-236" class="py-name"><a title="psychsim.pwl.KeyedVector.filter" class="py-name" href="#" onclick="return doclink('link-236', 'filter', 'link-119');">filter</a></tt><tt class="py-op">(</tt><tt class="py-name">ignore</tt><tt class="py-op">)</tt> </tt>
<a name="L722"></a><tt class="py-lineno"> 722</tt>  <tt class="py-line">                        <tt class="py-name">transition</tt><tt class="py-op">[</tt><tt class="py-name">node</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">actions</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">newNode</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">future</tt><tt class="py-op">[</tt><tt class="py-name">newVector</tt><tt class="py-op">]</tt> </tt>
<a name="L723"></a><tt class="py-lineno"> 723</tt>  <tt class="py-line">                        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">transition</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">newNode</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L724"></a><tt class="py-lineno"> 724</tt>  <tt class="py-line">                            <tt class="py-name">envelope</tt><tt class="py-op">.</tt><tt class="py-name">add</tt><tt class="py-op">(</tt><tt class="py-op">(</tt><tt class="py-name">newNode</tt><tt class="py-op">,</tt><tt class="py-name">horizon</tt><tt class="py-op">-</tt><tt class="py-number">1</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L725"></a><tt class="py-lineno"> 725</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">transition</tt> </tt>
</div><a name="L726"></a><tt class="py-lineno"> 726</tt>  <tt class="py-line">             </tt>
<a name="World.nearestVector"></a><div id="World.nearestVector-def"><a name="L727"></a><tt class="py-lineno"> 727</tt> <a class="py-toggle" href="#" id="World.nearestVector-toggle" onclick="return toggle('World.nearestVector');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#nearestVector">nearestVector</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">vector</tt><tt class="py-op">,</tt><tt class="py-param">vectors</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.nearestVector-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.nearestVector-expanded"><a name="L728"></a><tt class="py-lineno"> 728</tt>  <tt class="py-line">        <tt class="py-name">mapping</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L729"></a><tt class="py-lineno"> 729</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">candidate</tt> <tt class="py-keyword">in</tt> <tt class="py-name">vectors</tt><tt class="py-op">:</tt> </tt>
<a name="L730"></a><tt class="py-lineno"> 730</tt>  <tt class="py-line">            <tt class="py-name">mapping</tt><tt class="py-op">[</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-237" class="py-name" targets="Method psychsim.world.World.scaleState()=psychsim.world.World-class.html#scaleState"><a title="psychsim.world.World.scaleState" class="py-name" href="#" onclick="return doclink('link-237', 'scaleState', 'link-237');">scaleState</a></tt><tt class="py-op">(</tt><tt class="py-name">candidate</tt><tt class="py-op">)</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">candidate</tt> </tt>
<a name="L731"></a><tt class="py-lineno"> 731</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">mapping</tt><tt class="py-op">[</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-238" class="py-name"><a title="psychsim.world.World.scaleState" class="py-name" href="#" onclick="return doclink('link-238', 'scaleState', 'link-237');">scaleState</a></tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt id="link-239" class="py-name" targets="Method psychsim.pwl.KeyedVector.nearestNeighbor()=psychsim.pwl.KeyedVector-class.html#nearestNeighbor"><a title="psychsim.pwl.KeyedVector.nearestNeighbor" class="py-name" href="#" onclick="return doclink('link-239', 'nearestNeighbor', 'link-239');">nearestNeighbor</a></tt><tt class="py-op">(</tt><tt class="py-name">mapping</tt><tt class="py-op">.</tt><tt class="py-name">keys</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">]</tt> </tt>
</div><a name="L732"></a><tt class="py-lineno"> 732</tt>  <tt class="py-line"> </tt>
<a name="World.getDescription"></a><div id="World.getDescription-def"><a name="L733"></a><tt class="py-lineno"> 733</tt> <a class="py-toggle" href="#" id="World.getDescription-toggle" onclick="return toggle('World.getDescription');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#getDescription">getDescription</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">entity</tt><tt class="py-op">,</tt><tt class="py-param">feature</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.getDescription-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.getDescription-expanded"><a name="L734"></a><tt class="py-lineno"> 734</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">feature</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'description'</tt><tt class="py-op">]</tt> </tt>
</div><a name="L735"></a><tt class="py-lineno"> 735</tt>  <tt class="py-line"> </tt>
<a name="L736"></a><tt class="py-lineno"> 736</tt>  <tt class="py-line">    <tt class="py-string">"""---------------------"""</tt> </tt>
<a name="L737"></a><tt class="py-lineno"> 737</tt>  <tt class="py-line">    <tt class="py-string">"""Visualization methods"""</tt> </tt>
<a name="L738"></a><tt class="py-lineno"> 738</tt>  <tt class="py-line">    <tt class="py-string">"""---------------------"""</tt> </tt>
<a name="L739"></a><tt class="py-lineno"> 739</tt>  <tt class="py-line"> </tt>
<a name="World.explain"></a><div id="World.explain-def"><a name="L740"></a><tt class="py-lineno"> 740</tt> <a class="py-toggle" href="#" id="World.explain-toggle" onclick="return toggle('World.explain');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#explain">explain</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">outcomes</tt><tt class="py-op">,</tt><tt class="py-param">level</tt><tt class="py-op">=</tt><tt class="py-number">1</tt><tt class="py-op">,</tt><tt class="py-param">buf</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.explain-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.explain-expanded"><a name="L741"></a><tt class="py-lineno"> 741</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L742"></a><tt class="py-lineno"> 742</tt>  <tt class="py-line"><tt class="py-docstring">        Generate a more readable interpretation of outcomes generated by L{step}</tt> </tt>
<a name="L743"></a><tt class="py-lineno"> 743</tt>  <tt class="py-line"><tt class="py-docstring">        @param outcomes: the return value from L{step}</tt> </tt>
<a name="L744"></a><tt class="py-lineno"> 744</tt>  <tt class="py-line"><tt class="py-docstring">        @type outcomes: dict[]</tt> </tt>
<a name="L745"></a><tt class="py-lineno"> 745</tt>  <tt class="py-line"><tt class="py-docstring">        @param level: the level of explanation detail:</tt> </tt>
<a name="L746"></a><tt class="py-lineno"> 746</tt>  <tt class="py-line"><tt class="py-docstring">           0. No explanation</tt> </tt>
<a name="L747"></a><tt class="py-lineno"> 747</tt>  <tt class="py-line"><tt class="py-docstring">           1. Agent decisions</tt> </tt>
<a name="L748"></a><tt class="py-lineno"> 748</tt>  <tt class="py-line"><tt class="py-docstring">           2. Agent value functions</tt> </tt>
<a name="L749"></a><tt class="py-lineno"> 749</tt>  <tt class="py-line"><tt class="py-docstring">           3. Agent expectations</tt> </tt>
<a name="L750"></a><tt class="py-lineno"> 750</tt>  <tt class="py-line"><tt class="py-docstring">           4. Effects of expected actions</tt> </tt>
<a name="L751"></a><tt class="py-lineno"> 751</tt>  <tt class="py-line"><tt class="py-docstring">           5. World state (possibly subjective) at each step</tt> </tt>
<a name="L752"></a><tt class="py-lineno"> 752</tt>  <tt class="py-line"><tt class="py-docstring">        @type level: int</tt> </tt>
<a name="L753"></a><tt class="py-lineno"> 753</tt>  <tt class="py-line"><tt class="py-docstring">        @param buf: the string buffer to put the explanation into (default is standard out)</tt> </tt>
<a name="L754"></a><tt class="py-lineno"> 754</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L755"></a><tt class="py-lineno"> 755</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">outcome</tt> <tt class="py-keyword">in</tt> <tt class="py-name">outcomes</tt><tt class="py-op">:</tt> </tt>
<a name="L756"></a><tt class="py-lineno"> 756</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">level</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> <tt class="py-keyword">print</tt> <tt class="py-op">&gt;&gt;</tt> <tt class="py-name">buf</tt><tt class="py-op">,</tt><tt class="py-string">'%d%%'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'probability'</tt><tt class="py-op">]</tt><tt class="py-op">*</tt><tt class="py-number">100.</tt><tt class="py-op">)</tt> </tt>
<a name="L757"></a><tt class="py-lineno"> 757</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">outcome</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-string">'actions'</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L758"></a><tt class="py-lineno"> 758</tt>  <tt class="py-line">                <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-240" class="py-name" targets="Method psychsim.world.World.explainAction()=psychsim.world.World-class.html#explainAction"><a title="psychsim.world.World.explainAction" class="py-name" href="#" onclick="return doclink('link-240', 'explainAction', 'link-240');">explainAction</a></tt><tt class="py-op">(</tt><tt class="py-name">outcome</tt><tt class="py-op">,</tt><tt class="py-name">buf</tt><tt class="py-op">,</tt><tt class="py-name">level</tt><tt class="py-op">)</tt> </tt>
<a name="L759"></a><tt class="py-lineno"> 759</tt>  <tt class="py-line">                <tt class="py-keyword">for</tt> <tt class="py-name">name</tt><tt class="py-op">,</tt><tt id="link-241" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-241', 'action', 'link-0');">action</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'actions'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">items</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L760"></a><tt class="py-lineno"> 760</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'decisions'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L761"></a><tt class="py-lineno"> 761</tt>  <tt class="py-line">                        <tt class="py-comment"># No decision made</tt> </tt>
<a name="L762"></a><tt class="py-lineno"> 762</tt>  <tt class="py-line">                        <tt class="py-keyword">if</tt> <tt class="py-name">level</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">1</tt><tt class="py-op">:</tt> <tt class="py-keyword">print</tt> <tt class="py-op">&gt;&gt;</tt> <tt class="py-name">buf</tt><tt class="py-op">,</tt><tt class="py-string">'\tforced'</tt> </tt>
<a name="L763"></a><tt class="py-lineno"> 763</tt>  <tt class="py-line">                    <tt class="py-keyword">elif</tt> <tt class="py-name">level</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">1</tt><tt class="py-op">:</tt> </tt>
<a name="L764"></a><tt class="py-lineno"> 764</tt>  <tt class="py-line">                        <tt class="py-comment"># Explain decision</tt> </tt>
<a name="L765"></a><tt class="py-lineno"> 765</tt>  <tt class="py-line">                        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-242" class="py-name" targets="Method psychsim.world.World.explainDecision()=psychsim.world.World-class.html#explainDecision"><a title="psychsim.world.World.explainDecision" class="py-name" href="#" onclick="return doclink('link-242', 'explainDecision', 'link-242');">explainDecision</a></tt><tt class="py-op">(</tt><tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'decisions'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">buf</tt><tt class="py-op">,</tt><tt class="py-name">level</tt><tt class="py-op">)</tt> </tt>
</div><a name="L766"></a><tt class="py-lineno"> 766</tt>  <tt class="py-line"> </tt>
<a name="World.explainAction"></a><div id="World.explainAction-def"><a name="L767"></a><tt class="py-lineno"> 767</tt> <a class="py-toggle" href="#" id="World.explainAction-toggle" onclick="return toggle('World.explainAction');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#explainAction">explainAction</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">outcome</tt><tt class="py-op">,</tt><tt class="py-param">buf</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">level</tt><tt class="py-op">=</tt><tt class="py-number">0</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.explainAction-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.explainAction-expanded"><a name="L768"></a><tt class="py-lineno"> 768</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">level</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L769"></a><tt class="py-lineno"> 769</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">name</tt><tt class="py-op">,</tt><tt id="link-243" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-243', 'action', 'link-0');">action</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'actions'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">items</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L770"></a><tt class="py-lineno"> 770</tt>  <tt class="py-line">                <tt class="py-keyword">print</tt> <tt class="py-op">&gt;&gt;</tt> <tt class="py-name">buf</tt><tt class="py-op">,</tt><tt id="link-244" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-244', 'action', 'link-0');">action</a></tt> </tt>
<a name="L771"></a><tt class="py-lineno"> 771</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt id="link-245" class="py-name"><a title="psychsim.agent.ValueFunction.set
psychsim.probability.Distribution.set" class="py-name" href="#" onclick="return doclink('link-245', 'set', 'link-10');">set</a></tt><tt class="py-op">(</tt><tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'actions'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">values</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div><a name="L772"></a><tt class="py-lineno"> 772</tt>  <tt class="py-line">         </tt>
<a name="L773"></a><tt class="py-lineno"> 773</tt>  <tt class="py-line"> </tt>
<a name="World.explainDecision"></a><div id="World.explainDecision-def"><a name="L774"></a><tt class="py-lineno"> 774</tt> <a class="py-toggle" href="#" id="World.explainDecision-toggle" onclick="return toggle('World.explainDecision');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#explainDecision">explainDecision</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">decision</tt><tt class="py-op">,</tt><tt class="py-param">buf</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">level</tt><tt class="py-op">=</tt><tt class="py-number">2</tt><tt class="py-op">,</tt><tt class="py-param">prefix</tt><tt class="py-op">=</tt><tt class="py-string">''</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.explainDecision-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.explainDecision-expanded"><a name="L775"></a><tt class="py-lineno"> 775</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L776"></a><tt class="py-lineno"> 776</tt>  <tt class="py-line"><tt class="py-docstring">        Subroutine of L{explain} for explaining agent decisions</tt> </tt>
<a name="L777"></a><tt class="py-lineno"> 777</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L778"></a><tt class="py-lineno"> 778</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">decision</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-string">'V'</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L779"></a><tt class="py-lineno"> 779</tt>  <tt class="py-line">            <tt class="py-comment"># No value function</tt> </tt>
<a name="L780"></a><tt class="py-lineno"> 780</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> </tt>
<a name="L781"></a><tt class="py-lineno"> 781</tt>  <tt class="py-line">        <tt class="py-name">actions</tt> <tt class="py-op">=</tt> <tt class="py-name">decision</tt><tt class="py-op">[</tt><tt class="py-string">'V'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">keys</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L782"></a><tt class="py-lineno"> 782</tt>  <tt class="py-line">        <tt class="py-name">actions</tt><tt class="py-op">.</tt><tt class="py-name">sort</tt><tt class="py-op">(</tt><tt class="py-keyword">lambda</tt> <tt class="py-name">x</tt><tt class="py-op">,</tt><tt class="py-name">y</tt><tt class="py-op">:</tt> <tt class="py-name">cmp</tt><tt class="py-op">(</tt><tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">x</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">y</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L783"></a><tt class="py-lineno"> 783</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">alt</tt> <tt class="py-keyword">in</tt> <tt class="py-name">actions</tt><tt class="py-op">:</tt> </tt>
<a name="L784"></a><tt class="py-lineno"> 784</tt>  <tt class="py-line">            <tt class="py-name">V</tt> <tt class="py-op">=</tt> <tt class="py-name">decision</tt><tt class="py-op">[</tt><tt class="py-string">'V'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">alt</tt><tt class="py-op">]</tt> </tt>
<a name="L785"></a><tt class="py-lineno"> 785</tt>  <tt class="py-line">            <tt class="py-keyword">print</tt> <tt class="py-op">&gt;&gt;</tt> <tt class="py-name">buf</tt><tt class="py-op">,</tt><tt class="py-string">'%s\tV(%s) = %6.3f'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">prefix</tt><tt class="py-op">,</tt><tt class="py-name">alt</tt><tt class="py-op">,</tt><tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-string">'__EV__'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L786"></a><tt class="py-lineno"> 786</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">level</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">2</tt><tt class="py-op">:</tt> </tt>
<a name="L787"></a><tt class="py-lineno"> 787</tt>  <tt class="py-line">                <tt class="py-comment"># Explain lookahead</tt> </tt>
<a name="L788"></a><tt class="py-lineno"> 788</tt>  <tt class="py-line">                <tt class="py-name">beliefs</tt> <tt class="py-op">=</tt> <tt id="link-246" class="py-name"><a title="psychsim.pwl.KeyedVector.filter" class="py-name" href="#" onclick="return doclink('link-246', 'filter', 'link-119');">filter</a></tt><tt class="py-op">(</tt><tt class="py-keyword">lambda</tt> <tt class="py-name">k</tt><tt class="py-op">:</tt> <tt class="py-keyword">not</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">k</tt><tt class="py-op">,</tt><tt class="py-name">str</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-name">V</tt><tt class="py-op">.</tt><tt class="py-name">keys</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L789"></a><tt class="py-lineno"> 789</tt>  <tt class="py-line">                <tt class="py-keyword">for</tt> <tt class="py-name">state</tt> <tt class="py-keyword">in</tt> <tt class="py-name">beliefs</tt><tt class="py-op">:</tt> </tt>
<a name="L790"></a><tt class="py-lineno"> 790</tt>  <tt class="py-line">                    <tt class="py-name">nodes</tt> <tt class="py-op">=</tt> <tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">state</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'projection'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-op">:</tt><tt class="py-op">]</tt> </tt>
<a name="L791"></a><tt class="py-lineno"> 791</tt>  <tt class="py-line">                    <tt class="py-keyword">while</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">nodes</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L792"></a><tt class="py-lineno"> 792</tt>  <tt class="py-line">                        <tt class="py-name">node</tt> <tt class="py-op">=</tt> <tt class="py-name">nodes</tt><tt class="py-op">.</tt><tt class="py-name">pop</tt><tt class="py-op">(</tt><tt class="py-number">0</tt><tt class="py-op">)</tt> </tt>
<a name="L793"></a><tt class="py-lineno"> 793</tt>  <tt class="py-line">                        <tt class="py-name">tab</tt> <tt class="py-op">=</tt> <tt class="py-string">''</tt> </tt>
<a name="L794"></a><tt class="py-lineno"> 794</tt>  <tt class="py-line">                        <tt class="py-name">t</tt> <tt class="py-op">=</tt> <tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">state</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'horizon'</tt><tt class="py-op">]</tt><tt class="py-op">-</tt><tt class="py-name">node</tt><tt class="py-op">[</tt><tt class="py-string">'horizon'</tt><tt class="py-op">]</tt> </tt>
<a name="L795"></a><tt class="py-lineno"> 795</tt>  <tt class="py-line">                        <tt class="py-keyword">for</tt> <tt class="py-name">index</tt> <tt class="py-keyword">in</tt> <tt class="py-name">range</tt><tt class="py-op">(</tt><tt class="py-name">t</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L796"></a><tt class="py-lineno"> 796</tt>  <tt class="py-line">                            <tt class="py-name">tab</tt> <tt class="py-op">=</tt> <tt class="py-name">prefix</tt><tt class="py-op">+</tt><tt class="py-name">tab</tt><tt class="py-op">+</tt><tt class="py-string">'\t'</tt> </tt>
<a name="L797"></a><tt class="py-lineno"> 797</tt>  <tt class="py-line">                        <tt class="py-keyword">if</tt> <tt class="py-name">level</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">4</tt><tt class="py-op">:</tt>  </tt>
<a name="L798"></a><tt class="py-lineno"> 798</tt>  <tt class="py-line">                            <tt class="py-keyword">print</tt> <tt class="py-op">&gt;&gt;</tt> <tt class="py-name">buf</tt><tt class="py-op">,</tt><tt class="py-string">'%sState:'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">tab</tt><tt class="py-op">)</tt> </tt>
<a name="L799"></a><tt class="py-lineno"> 799</tt>  <tt class="py-line">                            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-247" class="py-name" targets="Method psychsim.world.World.printVector()=psychsim.world.World-class.html#printVector"><a title="psychsim.world.World.printVector" class="py-name" href="#" onclick="return doclink('link-247', 'printVector', 'link-247');">printVector</a></tt><tt class="py-op">(</tt><tt class="py-name">node</tt><tt class="py-op">[</tt><tt class="py-string">'old'</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">buf</tt><tt class="py-op">,</tt><tt class="py-name">prefix</tt><tt class="py-op">=</tt><tt class="py-name">tab</tt><tt class="py-op">,</tt><tt class="py-name">first</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">)</tt> </tt>
<a name="L800"></a><tt class="py-lineno"> 800</tt>  <tt class="py-line">                        <tt class="py-keyword">print</tt> <tt class="py-op">&gt;&gt;</tt> <tt class="py-name">buf</tt><tt class="py-op">,</tt><tt class="py-string">'%s%s (V_%s=%6.3f)'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">tab</tt><tt class="py-op">,</tt><tt id="link-248" class="py-name"><a title="psychsim.action.ActionSet" class="py-name" href="#" onclick="return doclink('link-248', 'ActionSet', 'link-1');">ActionSet</a></tt><tt class="py-op">(</tt><tt class="py-name">node</tt><tt class="py-op">[</tt><tt class="py-string">'actions'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">state</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'agent'</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">node</tt><tt class="py-op">[</tt><tt class="py-string">'R'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L801"></a><tt class="py-lineno"> 801</tt>  <tt class="py-line">                        <tt class="py-keyword">for</tt> <tt class="py-name">other</tt> <tt class="py-keyword">in</tt> <tt class="py-name">node</tt><tt class="py-op">[</tt><tt class="py-string">'decisions'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">keys</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L802"></a><tt class="py-lineno"> 802</tt>  <tt class="py-line">                            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-249" class="py-name"><a title="psychsim.world.World.explainDecision" class="py-name" href="#" onclick="return doclink('link-249', 'explainDecision', 'link-242');">explainDecision</a></tt><tt class="py-op">(</tt><tt class="py-name">node</tt><tt class="py-op">[</tt><tt class="py-string">'decisions'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">other</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">buf</tt><tt class="py-op">,</tt><tt class="py-name">level</tt><tt class="py-op">,</tt><tt class="py-name">prefix</tt><tt class="py-op">+</tt><tt class="py-string">'\t\t'</tt><tt class="py-op">)</tt> </tt>
<a name="L803"></a><tt class="py-lineno"> 803</tt>  <tt class="py-line">                        <tt class="py-keyword">if</tt> <tt class="py-name">level</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">3</tt><tt class="py-op">:</tt>  </tt>
<a name="L804"></a><tt class="py-lineno"> 804</tt>  <tt class="py-line">                            <tt class="py-keyword">print</tt> <tt class="py-op">&gt;&gt;</tt> <tt class="py-name">buf</tt><tt class="py-op">,</tt><tt class="py-string">'%sEffect:'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">tab</tt><tt class="py-op">+</tt><tt class="py-name">prefix</tt><tt class="py-op">)</tt> </tt>
<a name="L805"></a><tt class="py-lineno"> 805</tt>  <tt class="py-line">                            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-250" class="py-name" targets="Method psychsim.world.World.printDelta()=psychsim.world.World-class.html#printDelta"><a title="psychsim.world.World.printDelta" class="py-name" href="#" onclick="return doclink('link-250', 'printDelta', 'link-250');">printDelta</a></tt><tt class="py-op">(</tt><tt class="py-name">node</tt><tt class="py-op">[</tt><tt class="py-string">'old'</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">node</tt><tt class="py-op">[</tt><tt class="py-string">'new'</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">buf</tt><tt class="py-op">,</tt><tt class="py-name">prefix</tt><tt class="py-op">=</tt><tt class="py-name">tab</tt><tt class="py-op">+</tt><tt class="py-name">prefix</tt><tt class="py-op">)</tt> </tt>
<a name="L806"></a><tt class="py-lineno"> 806</tt>  <tt class="py-line">                        <tt class="py-keyword">for</tt> <tt class="py-name">index</tt> <tt class="py-keyword">in</tt> <tt class="py-name">range</tt><tt class="py-op">(</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">node</tt><tt class="py-op">[</tt><tt class="py-string">'projection'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L807"></a><tt class="py-lineno"> 807</tt>  <tt class="py-line">                            <tt class="py-name">nodes</tt><tt class="py-op">.</tt><tt class="py-name">insert</tt><tt class="py-op">(</tt><tt class="py-name">index</tt><tt class="py-op">,</tt><tt class="py-name">node</tt><tt class="py-op">[</tt><tt class="py-string">'projection'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">index</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
</div><a name="L808"></a><tt class="py-lineno"> 808</tt>  <tt class="py-line"> </tt>
<a name="World.printState"></a><div id="World.printState-def"><a name="L809"></a><tt class="py-lineno"> 809</tt> <a class="py-toggle" href="#" id="World.printState-toggle" onclick="return toggle('World.printState');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#printState">printState</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">distribution</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">buf</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">prefix</tt><tt class="py-op">=</tt><tt class="py-string">''</tt><tt class="py-op">,</tt><tt class="py-param">beliefs</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.printState-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.printState-expanded"><a name="L810"></a><tt class="py-lineno"> 810</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L811"></a><tt class="py-lineno"> 811</tt>  <tt class="py-line"><tt class="py-docstring">        Utility method for displaying a distribution over possible worlds</tt> </tt>
<a name="L812"></a><tt class="py-lineno"> 812</tt>  <tt class="py-line"><tt class="py-docstring">        @type distribution: L{VectorDistribution}</tt> </tt>
<a name="L813"></a><tt class="py-lineno"> 813</tt>  <tt class="py-line"><tt class="py-docstring">        @param buf: the string buffer to put the string representation in (default is standard output)</tt> </tt>
<a name="L814"></a><tt class="py-lineno"> 814</tt>  <tt class="py-line"><tt class="py-docstring">        @param prefix: a string prefix (e.g., tabs) to insert at the beginning of each line</tt> </tt>
<a name="L815"></a><tt class="py-lineno"> 815</tt>  <tt class="py-line"><tt class="py-docstring">        @type prefix: str</tt> </tt>
<a name="L816"></a><tt class="py-lineno"> 816</tt>  <tt class="py-line"><tt class="py-docstring">        @param beliefs: if C{True}, print out inaccurate beliefs, too</tt> </tt>
<a name="L817"></a><tt class="py-lineno"> 817</tt>  <tt class="py-line"><tt class="py-docstring">        @type beliefs: True</tt> </tt>
<a name="L818"></a><tt class="py-lineno"> 818</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L819"></a><tt class="py-lineno"> 819</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">distribution</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L820"></a><tt class="py-lineno"> 820</tt>  <tt class="py-line">            <tt class="py-name">distribution</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">state</tt> </tt>
<a name="L821"></a><tt class="py-lineno"> 821</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">vector</tt> <tt class="py-keyword">in</tt> <tt class="py-name">distribution</tt><tt class="py-op">.</tt><tt id="link-251" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-251', 'domain', 'link-22');">domain</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L822"></a><tt class="py-lineno"> 822</tt>  <tt class="py-line">            <tt class="py-keyword">print</tt> <tt class="py-op">&gt;&gt;</tt> <tt class="py-name">buf</tt><tt class="py-op">,</tt><tt class="py-string">'%s%d%%'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">prefix</tt><tt class="py-op">,</tt><tt class="py-name">distribution</tt><tt class="py-op">[</tt><tt class="py-name">vector</tt><tt class="py-op">]</tt><tt class="py-op">*</tt><tt class="py-number">100.</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> </tt>
<a name="L823"></a><tt class="py-lineno"> 823</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-252" class="py-name"><a title="psychsim.world.World.printVector" class="py-name" href="#" onclick="return doclink('link-252', 'printVector', 'link-247');">printVector</a></tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">,</tt><tt class="py-name">buf</tt><tt class="py-op">,</tt><tt class="py-name">prefix</tt><tt class="py-op">,</tt><tt class="py-name">beliefs</tt><tt class="py-op">=</tt><tt class="py-name">beliefs</tt><tt class="py-op">)</tt> </tt>
</div><a name="L824"></a><tt class="py-lineno"> 824</tt>  <tt class="py-line"> </tt>
<a name="World.printVector"></a><div id="World.printVector-def"><a name="L825"></a><tt class="py-lineno"> 825</tt> <a class="py-toggle" href="#" id="World.printVector-toggle" onclick="return toggle('World.printVector');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#printVector">printVector</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">vector</tt><tt class="py-op">,</tt><tt class="py-param">buf</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">prefix</tt><tt class="py-op">=</tt><tt class="py-string">''</tt><tt class="py-op">,</tt><tt class="py-param">first</tt><tt class="py-op">=</tt><tt class="py-name">True</tt><tt class="py-op">,</tt><tt class="py-param">beliefs</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">,</tt><tt class="py-param">csv</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.printVector-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.printVector-expanded"><a name="L826"></a><tt class="py-lineno"> 826</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L827"></a><tt class="py-lineno"> 827</tt>  <tt class="py-line"><tt class="py-docstring">        Utility method for displaying a single possible world</tt> </tt>
<a name="L828"></a><tt class="py-lineno"> 828</tt>  <tt class="py-line"><tt class="py-docstring">        @type vector: L{KeyedVector}</tt> </tt>
<a name="L829"></a><tt class="py-lineno"> 829</tt>  <tt class="py-line"><tt class="py-docstring">        @param buf: the string buffer to put the string representation in (default is standard output)</tt> </tt>
<a name="L830"></a><tt class="py-lineno"> 830</tt>  <tt class="py-line"><tt class="py-docstring">        @param prefix: a string prefix (e.g., tabs) to insert at the beginning of each line</tt> </tt>
<a name="L831"></a><tt class="py-lineno"> 831</tt>  <tt class="py-line"><tt class="py-docstring">        @type prefix: str</tt> </tt>
<a name="L832"></a><tt class="py-lineno"> 832</tt>  <tt class="py-line"><tt class="py-docstring">        @param first: if C{True}, then the first line is the continuation of an existing line (default is C{True})</tt> </tt>
<a name="L833"></a><tt class="py-lineno"> 833</tt>  <tt class="py-line"><tt class="py-docstring">        @type first: bool</tt> </tt>
<a name="L834"></a><tt class="py-lineno"> 834</tt>  <tt class="py-line"><tt class="py-docstring">        @param csv: if C{True}, then print the vector as comma-separated values (default is C{False})</tt> </tt>
<a name="L835"></a><tt class="py-lineno"> 835</tt>  <tt class="py-line"><tt class="py-docstring">        @type csv: bool</tt> </tt>
<a name="L836"></a><tt class="py-lineno"> 836</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L837"></a><tt class="py-lineno"> 837</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">csv</tt><tt class="py-op">:</tt> </tt>
<a name="L838"></a><tt class="py-lineno"> 838</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">prefix</tt><tt class="py-op">:</tt> </tt>
<a name="L839"></a><tt class="py-lineno"> 839</tt>  <tt class="py-line">                <tt class="py-name">elements</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-name">prefix</tt><tt class="py-op">]</tt> </tt>
<a name="L840"></a><tt class="py-lineno"> 840</tt>  <tt class="py-line">            <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L841"></a><tt class="py-lineno"> 841</tt>  <tt class="py-line">                <tt class="py-name">elements</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L842"></a><tt class="py-lineno"> 842</tt>  <tt class="py-line">        <tt class="py-name">entities</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">.</tt><tt class="py-name">keys</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L843"></a><tt class="py-lineno"> 843</tt>  <tt class="py-line">        <tt class="py-name">entities</tt><tt class="py-op">.</tt><tt class="py-name">sort</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L844"></a><tt class="py-lineno"> 844</tt>  <tt class="py-line">        <tt class="py-name">change</tt> <tt class="py-op">=</tt> <tt class="py-name">False</tt> </tt>
<a name="L845"></a><tt class="py-lineno"> 845</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">entity</tt> <tt class="py-keyword">in</tt> <tt class="py-name">entities</tt><tt class="py-op">:</tt> </tt>
<a name="L846"></a><tt class="py-lineno"> 846</tt>  <tt class="py-line">            <tt class="py-name">table</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt> </tt>
<a name="L847"></a><tt class="py-lineno"> 847</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">entity</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L848"></a><tt class="py-lineno"> 848</tt>  <tt class="py-line">                <tt class="py-name">label</tt> <tt class="py-op">=</tt> <tt class="py-string">'World'</tt> </tt>
<a name="L849"></a><tt class="py-lineno"> 849</tt>  <tt class="py-line">            <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L850"></a><tt class="py-lineno"> 850</tt>  <tt class="py-line">                <tt class="py-name">label</tt> <tt class="py-op">=</tt> <tt class="py-name">entity</tt> </tt>
<a name="L851"></a><tt class="py-lineno"> 851</tt>  <tt class="py-line">            <tt class="py-name">newEntity</tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt> </tt>
<a name="L852"></a><tt class="py-lineno"> 852</tt>  <tt class="py-line">            <tt class="py-comment"># Print state features for this entity</tt> </tt>
<a name="L853"></a><tt class="py-lineno"> 853</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">feature</tt><tt class="py-op">,</tt><tt class="py-name">entry</tt> <tt class="py-keyword">in</tt> <tt class="py-name">table</tt><tt class="py-op">.</tt><tt class="py-name">items</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L854"></a><tt class="py-lineno"> 854</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">entity</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L855"></a><tt class="py-lineno"> 855</tt>  <tt class="py-line">                    <tt class="py-name">key</tt> <tt class="py-op">=</tt> <tt class="py-name">feature</tt> </tt>
<a name="L856"></a><tt class="py-lineno"> 856</tt>  <tt class="py-line">                <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L857"></a><tt class="py-lineno"> 857</tt>  <tt class="py-line">                    <tt class="py-name">key</tt> <tt class="py-op">=</tt> <tt id="link-253" class="py-name"><a title="psychsim.world.stateKey" class="py-name" href="#" onclick="return doclink('link-253', 'stateKey', 'link-86');">stateKey</a></tt><tt class="py-op">(</tt><tt class="py-name">entity</tt><tt class="py-op">,</tt><tt class="py-name">feature</tt><tt class="py-op">)</tt> </tt>
<a name="L858"></a><tt class="py-lineno"> 858</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">vector</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L859"></a><tt class="py-lineno"> 859</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-name">csv</tt><tt class="py-op">:</tt> </tt>
<a name="L860"></a><tt class="py-lineno"> 860</tt>  <tt class="py-line">                        <tt class="py-name">elements</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">label</tt><tt class="py-op">)</tt> </tt>
<a name="L861"></a><tt class="py-lineno"> 861</tt>  <tt class="py-line">                        <tt class="py-name">elements</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">feature</tt><tt class="py-op">)</tt> </tt>
<a name="L862"></a><tt class="py-lineno"> 862</tt>  <tt class="py-line">                    <tt class="py-keyword">elif</tt> <tt class="py-name">newEntity</tt><tt class="py-op">:</tt> </tt>
<a name="L863"></a><tt class="py-lineno"> 863</tt>  <tt class="py-line">                        <tt class="py-keyword">if</tt> <tt class="py-name">first</tt><tt class="py-op">:</tt> </tt>
<a name="L864"></a><tt class="py-lineno"> 864</tt>  <tt class="py-line">                            <tt class="py-keyword">print</tt> <tt class="py-op">&gt;&gt;</tt> <tt class="py-name">buf</tt><tt class="py-op">,</tt><tt class="py-string">'\t%-12s'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">label</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> </tt>
<a name="L865"></a><tt class="py-lineno"> 865</tt>  <tt class="py-line">                            <tt class="py-name">first</tt> <tt class="py-op">=</tt> <tt class="py-name">False</tt> </tt>
<a name="L866"></a><tt class="py-lineno"> 866</tt>  <tt class="py-line">                        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L867"></a><tt class="py-lineno"> 867</tt>  <tt class="py-line">                            <tt class="py-keyword">print</tt> <tt class="py-op">&gt;&gt;</tt> <tt class="py-name">buf</tt><tt class="py-op">,</tt><tt class="py-string">'%s\t%-12s'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">prefix</tt><tt class="py-op">,</tt><tt class="py-name">label</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> </tt>
<a name="L868"></a><tt class="py-lineno"> 868</tt>  <tt class="py-line">                        <tt class="py-keyword">print</tt> <tt class="py-op">&gt;&gt;</tt> <tt class="py-name">buf</tt><tt class="py-op">,</tt><tt class="py-string">'\t%-12s\t'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">feature</tt><tt class="py-op">+</tt><tt class="py-string">':'</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> </tt>
<a name="L869"></a><tt class="py-lineno"> 869</tt>  <tt class="py-line">                        <tt class="py-name">newEntity</tt> <tt class="py-op">=</tt> <tt class="py-name">False</tt> </tt>
<a name="L870"></a><tt class="py-lineno"> 870</tt>  <tt class="py-line">                        <tt class="py-name">change</tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt> </tt>
<a name="L871"></a><tt class="py-lineno"> 871</tt>  <tt class="py-line">                    <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L872"></a><tt class="py-lineno"> 872</tt>  <tt class="py-line">                        <tt class="py-keyword">print</tt> <tt class="py-op">&gt;&gt;</tt> <tt class="py-name">buf</tt><tt class="py-op">,</tt><tt class="py-string">'%s\t\t\t%-12s\t'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">prefix</tt><tt class="py-op">,</tt><tt class="py-name">feature</tt><tt class="py-op">+</tt><tt class="py-string">':'</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> </tt>
<a name="L873"></a><tt class="py-lineno"> 873</tt>  <tt class="py-line">                    <tt class="py-comment"># Generate string representation of feature value</tt> </tt>
<a name="L874"></a><tt class="py-lineno"> 874</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-name">entry</tt><tt class="py-op">[</tt><tt class="py-string">'domain'</tt><tt class="py-op">]</tt> <tt class="py-keyword">is</tt> <tt class="py-name">int</tt><tt class="py-op">:</tt> </tt>
<a name="L875"></a><tt class="py-lineno"> 875</tt>  <tt class="py-line">                        <tt id="link-254" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-254', 'value', 'link-121');">value</a></tt> <tt class="py-op">=</tt> <tt class="py-string">'%d'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">int</tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L876"></a><tt class="py-lineno"> 876</tt>  <tt class="py-line">                    <tt class="py-keyword">elif</tt> <tt class="py-name">entry</tt><tt class="py-op">[</tt><tt class="py-string">'domain'</tt><tt class="py-op">]</tt> <tt class="py-keyword">is</tt> <tt class="py-name">bool</tt><tt class="py-op">:</tt> </tt>
<a name="L877"></a><tt class="py-lineno"> 877</tt>  <tt class="py-line">                        <tt class="py-keyword">if</tt> <tt class="py-name">vector</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0.5</tt><tt class="py-op">:</tt> </tt>
<a name="L878"></a><tt class="py-lineno"> 878</tt>  <tt class="py-line">                            <tt id="link-255" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-255', 'value', 'link-121');">value</a></tt> <tt class="py-op">=</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">True</tt><tt class="py-op">)</tt> </tt>
<a name="L879"></a><tt class="py-lineno"> 879</tt>  <tt class="py-line">                        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L880"></a><tt class="py-lineno"> 880</tt>  <tt class="py-line">                            <tt id="link-256" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-256', 'value', 'link-121');">value</a></tt> <tt class="py-op">=</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">False</tt><tt class="py-op">)</tt> </tt>
<a name="L881"></a><tt class="py-lineno"> 881</tt>  <tt class="py-line">                    <tt class="py-keyword">elif</tt> <tt class="py-name">entry</tt><tt class="py-op">[</tt><tt class="py-string">'domain'</tt><tt class="py-op">]</tt> <tt class="py-keyword">is</tt> <tt class="py-name">list</tt><tt class="py-op">:</tt> </tt>
<a name="L882"></a><tt class="py-lineno"> 882</tt>  <tt class="py-line">                        <tt class="py-name">index</tt> <tt class="py-op">=</tt> <tt class="py-name">int</tt><tt class="py-op">(</tt><tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">+</tt><tt class="py-number">.1</tt><tt class="py-op">)</tt> </tt>
<a name="L883"></a><tt class="py-lineno"> 883</tt>  <tt class="py-line">                        <tt id="link-257" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-257', 'value', 'link-121');">value</a></tt> <tt class="py-op">=</tt> <tt class="py-name">entry</tt><tt class="py-op">[</tt><tt class="py-string">'elements'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">index</tt><tt class="py-op">]</tt> </tt>
<a name="L884"></a><tt class="py-lineno"> 884</tt>  <tt class="py-line">                    <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L885"></a><tt class="py-lineno"> 885</tt>  <tt class="py-line">                        <tt id="link-258" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-258', 'value', 'link-121');">value</a></tt> <tt class="py-op">=</tt> <tt class="py-name">vector</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> </tt>
<a name="L886"></a><tt class="py-lineno"> 886</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-name">csv</tt><tt class="py-op">:</tt> </tt>
<a name="L887"></a><tt class="py-lineno"> 887</tt>  <tt class="py-line">                        <tt class="py-name">elements</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt id="link-259" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-259', 'value', 'link-121');">value</a></tt><tt class="py-op">)</tt> </tt>
<a name="L888"></a><tt class="py-lineno"> 888</tt>  <tt class="py-line">                    <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L889"></a><tt class="py-lineno"> 889</tt>  <tt class="py-line">                        <tt class="py-keyword">print</tt> <tt class="py-op">&gt;&gt;</tt> <tt class="py-name">buf</tt><tt class="py-op">,</tt><tt id="link-260" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-260', 'value', 'link-121');">value</a></tt> </tt>
<a name="L890"></a><tt class="py-lineno"> 890</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">entity</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L891"></a><tt class="py-lineno"> 891</tt>  <tt class="py-line">                <tt class="py-comment"># Print model of this entity</tt> </tt>
<a name="L892"></a><tt class="py-lineno"> 892</tt>  <tt class="py-line">                <tt class="py-name">key</tt> <tt class="py-op">=</tt> <tt id="link-261" class="py-name"><a title="psychsim.world.modelKey" class="py-name" href="#" onclick="return doclink('link-261', 'modelKey', 'link-59');">modelKey</a></tt><tt class="py-op">(</tt><tt class="py-name">entity</tt><tt class="py-op">)</tt> </tt>
<a name="L893"></a><tt class="py-lineno"> 893</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">vector</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L894"></a><tt class="py-lineno"> 894</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-name">csv</tt><tt class="py-op">:</tt> </tt>
<a name="L895"></a><tt class="py-lineno"> 895</tt>  <tt class="py-line">                        <tt class="py-name">elements</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">label</tt><tt class="py-op">)</tt> </tt>
<a name="L896"></a><tt class="py-lineno"> 896</tt>  <tt class="py-line">                        <tt class="py-name">elements</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'__model__'</tt><tt class="py-op">)</tt> </tt>
<a name="L897"></a><tt class="py-lineno"> 897</tt>  <tt class="py-line">                        <tt class="py-name">elements</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-262" class="py-name"><a title="psychsim.agent.Agent.index2model" class="py-name" href="#" onclick="return doclink('link-262', 'index2model', 'link-195');">index2model</a></tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L898"></a><tt class="py-lineno"> 898</tt>  <tt class="py-line">                    <tt class="py-keyword">elif</tt> <tt class="py-name">first</tt><tt class="py-op">:</tt> </tt>
<a name="L899"></a><tt class="py-lineno"> 899</tt>  <tt class="py-line">                        <tt class="py-keyword">print</tt> <tt class="py-op">&gt;&gt;</tt> <tt class="py-name">buf</tt><tt class="py-op">,</tt><tt class="py-string">'\t%-12s\t%-12s\t%-12s'</tt> <tt class="py-op">%</tt> \ </tt>
<a name="L900"></a><tt class="py-lineno"> 900</tt>  <tt class="py-line">                            <tt class="py-op">(</tt><tt class="py-name">label</tt><tt class="py-op">,</tt><tt class="py-string">'__model__'</tt><tt class="py-op">,</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-263" class="py-name"><a title="psychsim.agent.Agent.index2model" class="py-name" href="#" onclick="return doclink('link-263', 'index2model', 'link-195');">index2model</a></tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L901"></a><tt class="py-lineno"> 901</tt>  <tt class="py-line">                        <tt class="py-name">change</tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt> </tt>
<a name="L902"></a><tt class="py-lineno"> 902</tt>  <tt class="py-line">                        <tt class="py-name">first</tt> <tt class="py-op">=</tt> <tt class="py-name">False</tt> </tt>
<a name="L903"></a><tt class="py-lineno"> 903</tt>  <tt class="py-line">                    <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L904"></a><tt class="py-lineno"> 904</tt>  <tt class="py-line">                        <tt class="py-keyword">print</tt> <tt class="py-op">&gt;&gt;</tt> <tt class="py-name">buf</tt><tt class="py-op">,</tt><tt class="py-string">'%s\t%-12s\t%-12s\t%-12s'</tt> <tt class="py-op">%</tt> \ </tt>
<a name="L905"></a><tt class="py-lineno"> 905</tt>  <tt class="py-line">                            <tt class="py-op">(</tt><tt class="py-name">prefix</tt><tt class="py-op">,</tt><tt class="py-name">label</tt><tt class="py-op">,</tt><tt class="py-string">'__model__'</tt><tt class="py-op">,</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-264" class="py-name"><a title="psychsim.agent.Agent.index2model" class="py-name" href="#" onclick="return doclink('link-264', 'index2model', 'link-195');">index2model</a></tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L906"></a><tt class="py-lineno"> 906</tt>  <tt class="py-line">                    <tt class="py-name">newEntity</tt> <tt class="py-op">=</tt> <tt class="py-name">False</tt> </tt>
<a name="L907"></a><tt class="py-lineno"> 907</tt>  <tt class="py-line">                <tt class="py-keyword">elif</tt> <tt class="py-name">beliefs</tt><tt class="py-op">:</tt> </tt>
<a name="L908"></a><tt class="py-lineno"> 908</tt>  <tt class="py-line">                    <tt class="py-name">model</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">[</tt><tt class="py-name">entity</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">True</tt><tt class="py-op">]</tt> </tt>
<a name="L909"></a><tt class="py-lineno"> 909</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">model</tt><tt class="py-op">[</tt><tt class="py-string">'beliefs'</tt><tt class="py-op">]</tt> <tt class="py-keyword">is</tt> <tt class="py-name">True</tt><tt class="py-op">:</tt> </tt>
<a name="L910"></a><tt class="py-lineno"> 910</tt>  <tt class="py-line">                        <tt class="py-keyword">print</tt> <tt class="py-op">&gt;&gt;</tt> <tt class="py-name">buf</tt><tt class="py-op">,</tt><tt class="py-string">'\t\t\t----beliefs:----'</tt> </tt>
<a name="L911"></a><tt class="py-lineno"> 911</tt>  <tt class="py-line">                        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-265" class="py-name"><a title="psychsim.world.World.printDelta" class="py-name" href="#" onclick="return doclink('link-265', 'printDelta', 'link-250');">printDelta</a></tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">,</tt><tt class="py-name">model</tt><tt class="py-op">[</tt><tt class="py-string">'beliefs'</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">buf</tt><tt class="py-op">,</tt><tt class="py-string">'\t\t\t'</tt><tt class="py-op">)</tt> </tt>
<a name="L912"></a><tt class="py-lineno"> 912</tt>  <tt class="py-line">                        <tt class="py-keyword">print</tt> <tt class="py-op">&gt;&gt;</tt> <tt class="py-name">buf</tt><tt class="py-op">,</tt><tt class="py-string">'\t\t\t----------------'</tt> </tt>
<a name="L913"></a><tt class="py-lineno"> 913</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">csv</tt> <tt class="py-keyword">and</tt> <tt class="py-keyword">not</tt> <tt class="py-name">change</tt><tt class="py-op">:</tt> </tt>
<a name="L914"></a><tt class="py-lineno"> 914</tt>  <tt class="py-line">            <tt class="py-keyword">print</tt> <tt class="py-op">&gt;&gt;</tt> <tt class="py-name">buf</tt><tt class="py-op">,</tt><tt class="py-string">'%s\tUnchanged'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">prefix</tt><tt class="py-op">)</tt> </tt>
<a name="L915"></a><tt class="py-lineno"> 915</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-op">(</tt><tt class="py-keyword">not</tt> <tt class="py-name">vector</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-string">'__END__'</tt><tt class="py-op">)</tt> <tt class="py-keyword">and</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-266" class="py-name"><a title="psychsim.world.World.terminated" class="py-name" href="#" onclick="return doclink('link-266', 'terminated', 'link-28');">terminated</a></tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> <tt class="py-keyword">or</tt> \ </tt>
<a name="L916"></a><tt class="py-lineno"> 916</tt>  <tt class="py-line">                <tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-string">'__END__'</tt><tt class="py-op">)</tt> <tt class="py-keyword">and</tt> <tt class="py-name">vector</tt><tt class="py-op">[</tt><tt class="py-string">'__END__'</tt><tt class="py-op">]</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0.</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L917"></a><tt class="py-lineno"> 917</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">csv</tt><tt class="py-op">:</tt> </tt>
<a name="L918"></a><tt class="py-lineno"> 918</tt>  <tt class="py-line">                <tt class="py-name">elements</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'World'</tt><tt class="py-op">)</tt> </tt>
<a name="L919"></a><tt class="py-lineno"> 919</tt>  <tt class="py-line">                <tt class="py-name">elements</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'__END__'</tt><tt class="py-op">)</tt> </tt>
<a name="L920"></a><tt class="py-lineno"> 920</tt>  <tt class="py-line">                <tt class="py-name">elements</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">True</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L921"></a><tt class="py-lineno"> 921</tt>  <tt class="py-line">            <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L922"></a><tt class="py-lineno"> 922</tt>  <tt class="py-line">                <tt class="py-keyword">print</tt> <tt class="py-op">&gt;&gt;</tt> <tt class="py-name">buf</tt><tt class="py-op">,</tt><tt class="py-string">'%s\t__END__'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">prefix</tt><tt class="py-op">)</tt> </tt>
<a name="L923"></a><tt class="py-lineno"> 923</tt>  <tt class="py-line">        <tt class="py-keyword">elif</tt> <tt class="py-name">csv</tt><tt class="py-op">:</tt> </tt>
<a name="L924"></a><tt class="py-lineno"> 924</tt>  <tt class="py-line">            <tt class="py-name">elements</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'World'</tt><tt class="py-op">)</tt> </tt>
<a name="L925"></a><tt class="py-lineno"> 925</tt>  <tt class="py-line">            <tt class="py-name">elements</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'__END__'</tt><tt class="py-op">)</tt> </tt>
<a name="L926"></a><tt class="py-lineno"> 926</tt>  <tt class="py-line">            <tt class="py-name">elements</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">False</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L927"></a><tt class="py-lineno"> 927</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">csv</tt><tt class="py-op">:</tt> </tt>
<a name="L928"></a><tt class="py-lineno"> 928</tt>  <tt class="py-line">            <tt class="py-keyword">print</tt> <tt class="py-op">&gt;&gt;</tt> <tt class="py-name">buf</tt><tt class="py-op">,</tt><tt class="py-string">','</tt><tt class="py-op">.</tt><tt id="link-267" class="py-name"><a title="psychsim.pwl.VectorDistribution.join" class="py-name" href="#" onclick="return doclink('link-267', 'join', 'link-116');">join</a></tt><tt class="py-op">(</tt><tt class="py-name">elements</tt><tt class="py-op">)</tt> </tt>
</div><a name="L929"></a><tt class="py-lineno"> 929</tt>  <tt class="py-line"> </tt>
<a name="World.printDelta"></a><div id="World.printDelta-def"><a name="L930"></a><tt class="py-lineno"> 930</tt> <a class="py-toggle" href="#" id="World.printDelta-toggle" onclick="return toggle('World.printDelta');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#printDelta">printDelta</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">old</tt><tt class="py-op">,</tt><tt class="py-param">new</tt><tt class="py-op">,</tt><tt class="py-param">buf</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">prefix</tt><tt class="py-op">=</tt><tt class="py-string">''</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.printDelta-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.printDelta-expanded"><a name="L931"></a><tt class="py-lineno"> 931</tt>  <tt class="py-line">        <tt class="py-name">deltaDist</tt> <tt class="py-op">=</tt> <tt id="link-268" class="py-name"><a title="psychsim.pwl.VectorDistribution" class="py-name" href="#" onclick="return doclink('link-268', 'VectorDistribution', 'link-9');">VectorDistribution</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L932"></a><tt class="py-lineno"> 932</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">vector</tt> <tt class="py-keyword">in</tt> <tt class="py-name">new</tt><tt class="py-op">.</tt><tt id="link-269" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-269', 'domain', 'link-22');">domain</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L933"></a><tt class="py-lineno"> 933</tt>  <tt class="py-line">            <tt class="py-name">delta</tt> <tt class="py-op">=</tt> <tt id="link-270" class="py-name"><a title="psychsim.pwl.KeyedVector" class="py-name" href="#" onclick="return doclink('link-270', 'KeyedVector', 'link-13');">KeyedVector</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L934"></a><tt class="py-lineno"> 934</tt>  <tt class="py-line">            <tt class="py-name">keys</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L935"></a><tt class="py-lineno"> 935</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">name</tt><tt class="py-op">,</tt><tt class="py-name">table</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">.</tt><tt class="py-name">items</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L936"></a><tt class="py-lineno"> 936</tt>  <tt class="py-line">                <tt class="py-keyword">for</tt> <tt class="py-name">feature</tt><tt class="py-op">,</tt><tt class="py-name">entry</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">items</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L937"></a><tt class="py-lineno"> 937</tt>  <tt class="py-line">                    <tt class="py-comment"># Look for change in feature value</tt> </tt>
<a name="L938"></a><tt class="py-lineno"> 938</tt>  <tt class="py-line">                    <tt class="py-name">keys</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt id="link-271" class="py-name"><a title="psychsim.world.stateKey" class="py-name" href="#" onclick="return doclink('link-271', 'stateKey', 'link-86');">stateKey</a></tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">,</tt><tt class="py-name">feature</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L939"></a><tt class="py-lineno"> 939</tt>  <tt class="py-line">                <tt class="py-comment"># Look for change in mental model of this agent</tt> </tt>
<a name="L940"></a><tt class="py-lineno"> 940</tt>  <tt class="py-line">                <tt class="py-name">key</tt> <tt class="py-op">=</tt> <tt id="link-272" class="py-name"><a title="psychsim.world.modelKey" class="py-name" href="#" onclick="return doclink('link-272', 'modelKey', 'link-59');">modelKey</a></tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">)</tt> </tt>
<a name="L941"></a><tt class="py-lineno"> 941</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">vector</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L942"></a><tt class="py-lineno"> 942</tt>  <tt class="py-line">                    <tt class="py-name">keys</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">)</tt> </tt>
<a name="L943"></a><tt class="py-lineno"> 943</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">old</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L944"></a><tt class="py-lineno"> 944</tt>  <tt class="py-line">                        <tt class="py-name">old</tt> <tt class="py-op">=</tt> <tt id="link-273" class="py-name"><a title="psychsim.pwl.KeyedVector" class="py-name" href="#" onclick="return doclink('link-273', 'KeyedVector', 'link-13');">KeyedVector</a></tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">)</tt> </tt>
<a name="L945"></a><tt class="py-lineno"> 945</tt>  <tt class="py-line">                        <tt class="py-name">old</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-274" class="py-name"><a title="psychsim.agent.Agent.model2index" class="py-name" href="#" onclick="return doclink('link-274', 'model2index', 'link-201');">model2index</a></tt><tt class="py-op">(</tt><tt class="py-name">True</tt><tt class="py-op">)</tt> </tt>
<a name="L946"></a><tt class="py-lineno"> 946</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">key</tt> <tt class="py-keyword">in</tt> <tt class="py-name">keys</tt><tt class="py-op">:</tt> </tt>
<a name="L947"></a><tt class="py-lineno"> 947</tt>  <tt class="py-line">                <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L948"></a><tt class="py-lineno"> 948</tt>  <tt class="py-line">                    <tt class="py-name">diff</tt> <tt class="py-op">=</tt> <tt class="py-name">abs</tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt><tt class="py-op">-</tt><tt class="py-name">old</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L949"></a><tt class="py-lineno"> 949</tt>  <tt class="py-line">                <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</tt><tt class="py-op">:</tt> </tt>
<a name="L950"></a><tt class="py-lineno"> 950</tt>  <tt class="py-line">                    <tt class="py-name">diff</tt> <tt class="py-op">=</tt> <tt class="py-number">0.</tt> </tt>
<a name="L951"></a><tt class="py-lineno"> 951</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">diff</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">1e-3</tt><tt class="py-op">:</tt> </tt>
<a name="L952"></a><tt class="py-lineno"> 952</tt>  <tt class="py-line">                    <tt class="py-comment"># Notable change</tt> </tt>
<a name="L953"></a><tt class="py-lineno"> 953</tt>  <tt class="py-line">                    <tt class="py-name">delta</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">vector</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> </tt>
<a name="L954"></a><tt class="py-lineno"> 954</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-275" class="py-name"><a title="psychsim.world.World.terminated" class="py-name" href="#" onclick="return doclink('link-275', 'terminated', 'link-28');">terminated</a></tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L955"></a><tt class="py-lineno"> 955</tt>  <tt class="py-line">                <tt class="py-name">delta</tt><tt class="py-op">[</tt><tt class="py-string">'__END__'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-number">1.</tt> </tt>
<a name="L956"></a><tt class="py-lineno"> 956</tt>  <tt class="py-line">            <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L957"></a><tt class="py-lineno"> 957</tt>  <tt class="py-line">                <tt class="py-name">delta</tt><tt class="py-op">[</tt><tt class="py-string">'__END__'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">-</tt><tt class="py-number">1.</tt> </tt>
<a name="L958"></a><tt class="py-lineno"> 958</tt>  <tt class="py-line">            <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L959"></a><tt class="py-lineno"> 959</tt>  <tt class="py-line">                <tt class="py-name">deltaDist</tt><tt class="py-op">[</tt><tt class="py-name">delta</tt><tt class="py-op">]</tt> <tt class="py-op">+=</tt> <tt class="py-name">new</tt><tt class="py-op">[</tt><tt class="py-name">vector</tt><tt class="py-op">]</tt> </tt>
<a name="L960"></a><tt class="py-lineno"> 960</tt>  <tt class="py-line">            <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</tt><tt class="py-op">:</tt> </tt>
<a name="L961"></a><tt class="py-lineno"> 961</tt>  <tt class="py-line">                <tt class="py-name">deltaDist</tt><tt class="py-op">[</tt><tt class="py-name">delta</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">new</tt><tt class="py-op">[</tt><tt class="py-name">vector</tt><tt class="py-op">]</tt> </tt>
<a name="L962"></a><tt class="py-lineno"> 962</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-276" class="py-name" targets="Method psychsim.world.World.printState()=psychsim.world.World-class.html#printState"><a title="psychsim.world.World.printState" class="py-name" href="#" onclick="return doclink('link-276', 'printState', 'link-276');">printState</a></tt><tt class="py-op">(</tt><tt class="py-name">deltaDist</tt><tt class="py-op">,</tt><tt class="py-name">buf</tt><tt class="py-op">,</tt><tt class="py-name">prefix</tt><tt class="py-op">=</tt><tt class="py-name">prefix</tt><tt class="py-op">,</tt><tt class="py-name">beliefs</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">)</tt> </tt>
</div><a name="L963"></a><tt class="py-lineno"> 963</tt>  <tt class="py-line">         </tt>
<a name="L964"></a><tt class="py-lineno"> 964</tt>  <tt class="py-line">    <tt class="py-string">"""---------------------"""</tt> </tt>
<a name="L965"></a><tt class="py-lineno"> 965</tt>  <tt class="py-line">    <tt class="py-string">"""Serialization methods"""</tt> </tt>
<a name="L966"></a><tt class="py-lineno"> 966</tt>  <tt class="py-line">    <tt class="py-string">"""---------------------"""</tt> </tt>
<a name="L967"></a><tt class="py-lineno"> 967</tt>  <tt class="py-line"> </tt>
<a name="World.__xml__"></a><div id="World.__xml__-def"><a name="L968"></a><tt class="py-lineno"> 968</tt> <a class="py-toggle" href="#" id="World.__xml__-toggle" onclick="return toggle('World.__xml__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#__xml__">__xml__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.__xml__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.__xml__-expanded"><a name="L969"></a><tt class="py-lineno"> 969</tt>  <tt class="py-line">        <tt class="py-name">doc</tt> <tt class="py-op">=</tt> <tt class="py-name">Document</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L970"></a><tt class="py-lineno"> 970</tt>  <tt class="py-line">        <tt id="link-277" class="py-name"><a title="psychsim.action.Action.root" class="py-name" href="#" onclick="return doclink('link-277', 'root', 'link-110');">root</a></tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-string">'world'</tt><tt class="py-op">)</tt> </tt>
<a name="L971"></a><tt class="py-lineno"> 971</tt>  <tt class="py-line">        <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt id="link-278" class="py-name"><a title="psychsim.action.Action.root" class="py-name" href="#" onclick="return doclink('link-278', 'root', 'link-110');">root</a></tt><tt class="py-op">)</tt> </tt>
<a name="L972"></a><tt class="py-lineno"> 972</tt>  <tt class="py-line">        <tt class="py-comment"># Agents</tt> </tt>
<a name="L973"></a><tt class="py-lineno"> 973</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt id="link-279" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-279', 'agent', 'link-6');">agent</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">.</tt><tt class="py-name">values</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L974"></a><tt class="py-lineno"> 974</tt>  <tt class="py-line">            <tt id="link-280" class="py-name"><a title="psychsim.action.Action.root" class="py-name" href="#" onclick="return doclink('link-280', 'root', 'link-110');">root</a></tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt id="link-281" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-281', 'agent', 'link-6');">agent</a></tt><tt class="py-op">.</tt><tt id="link-282" class="py-name" targets="Method psychsim.action.Action.__xml__()=psychsim.action.Action-class.html#__xml__,Method psychsim.action.ActionSet.__xml__()=psychsim.action.ActionSet-class.html#__xml__,Method psychsim.agent.Agent.__xml__()=psychsim.agent.Agent-class.html#__xml__,Method psychsim.agent.ValueFunction.__xml__()=psychsim.agent.ValueFunction-class.html#__xml__,Method psychsim.probability.Distribution.__xml__()=psychsim.probability.Distribution-class.html#__xml__,Method psychsim.pwl.KeyedMatrix.__xml__()=psychsim.pwl.KeyedMatrix-class.html#__xml__,Method psychsim.pwl.KeyedPlane.__xml__()=psychsim.pwl.KeyedPlane-class.html#__xml__,Method psychsim.pwl.KeyedTree.__xml__()=psychsim.pwl.KeyedTree-class.html#__xml__,Method psychsim.pwl.KeyedVector.__xml__()=psychsim.pwl.KeyedVector-class.html#__xml__,Method psychsim.world.World.__xml__()=psychsim.world.World-class.html#__xml__"><a title="psychsim.action.Action.__xml__
psychsim.action.ActionSet.__xml__
psychsim.agent.Agent.__xml__
psychsim.agent.ValueFunction.__xml__
psychsim.probability.Distribution.__xml__
psychsim.pwl.KeyedMatrix.__xml__
psychsim.pwl.KeyedPlane.__xml__
psychsim.pwl.KeyedTree.__xml__
psychsim.pwl.KeyedVector.__xml__
psychsim.world.World.__xml__" class="py-name" href="#" onclick="return doclink('link-282', '__xml__', 'link-282');">__xml__</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">documentElement</tt><tt class="py-op">)</tt> </tt>
<a name="L975"></a><tt class="py-lineno"> 975</tt>  <tt class="py-line">        <tt class="py-comment"># State distribution</tt> </tt>
<a name="L976"></a><tt class="py-lineno"> 976</tt>  <tt class="py-line">        <tt class="py-name">node</tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-string">'state'</tt><tt class="py-op">)</tt> </tt>
<a name="L977"></a><tt class="py-lineno"> 977</tt>  <tt class="py-line">        <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">state</tt><tt class="py-op">.</tt><tt id="link-283" class="py-name"><a title="psychsim.action.Action.__xml__
psychsim.action.ActionSet.__xml__
psychsim.agent.Agent.__xml__
psychsim.agent.ValueFunction.__xml__
psychsim.probability.Distribution.__xml__
psychsim.pwl.KeyedMatrix.__xml__
psychsim.pwl.KeyedPlane.__xml__
psychsim.pwl.KeyedTree.__xml__
psychsim.pwl.KeyedVector.__xml__
psychsim.world.World.__xml__" class="py-name" href="#" onclick="return doclink('link-283', '__xml__', 'link-282');">__xml__</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">documentElement</tt><tt class="py-op">)</tt> </tt>
<a name="L978"></a><tt class="py-lineno"> 978</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">entity</tt><tt class="py-op">,</tt><tt class="py-name">table</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">features</tt><tt class="py-op">.</tt><tt class="py-name">items</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L979"></a><tt class="py-lineno"> 979</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">feature</tt><tt class="py-op">,</tt><tt class="py-name">entry</tt> <tt class="py-keyword">in</tt> <tt class="py-name">table</tt><tt class="py-op">.</tt><tt class="py-name">items</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L980"></a><tt class="py-lineno"> 980</tt>  <tt class="py-line">                <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-string">'feature'</tt><tt class="py-op">)</tt> </tt>
<a name="L981"></a><tt class="py-lineno"> 981</tt>  <tt class="py-line">                <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createTextNode</tt><tt class="py-op">(</tt><tt class="py-name">feature</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L982"></a><tt class="py-lineno"> 982</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">entity</tt><tt class="py-op">:</tt> </tt>
<a name="L983"></a><tt class="py-lineno"> 983</tt>  <tt class="py-line">                    <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">setAttribute</tt><tt class="py-op">(</tt><tt class="py-string">'entity'</tt><tt class="py-op">,</tt><tt class="py-name">entity</tt><tt class="py-op">)</tt> </tt>
<a name="L984"></a><tt class="py-lineno"> 984</tt>  <tt class="py-line">                <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">setAttribute</tt><tt class="py-op">(</tt><tt class="py-string">'domain'</tt><tt class="py-op">,</tt><tt class="py-name">entry</tt><tt class="py-op">[</tt><tt class="py-string">'domain'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">__name__</tt><tt class="py-op">)</tt> </tt>
<a name="L985"></a><tt class="py-lineno"> 985</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">entry</tt><tt class="py-op">[</tt><tt class="py-string">'lo'</tt><tt class="py-op">]</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L986"></a><tt class="py-lineno"> 986</tt>  <tt class="py-line">                    <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">setAttribute</tt><tt class="py-op">(</tt><tt class="py-string">'lo'</tt><tt class="py-op">,</tt><tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">entry</tt><tt class="py-op">[</tt><tt class="py-string">'lo'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L987"></a><tt class="py-lineno"> 987</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">entry</tt><tt class="py-op">[</tt><tt class="py-string">'hi'</tt><tt class="py-op">]</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L988"></a><tt class="py-lineno"> 988</tt>  <tt class="py-line">                    <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">setAttribute</tt><tt class="py-op">(</tt><tt class="py-string">'hi'</tt><tt class="py-op">,</tt><tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">entry</tt><tt class="py-op">[</tt><tt class="py-string">'hi'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L989"></a><tt class="py-lineno"> 989</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">entry</tt><tt class="py-op">[</tt><tt class="py-string">'domain'</tt><tt class="py-op">]</tt> <tt class="py-keyword">is</tt> <tt class="py-name">list</tt><tt class="py-op">:</tt> </tt>
<a name="L990"></a><tt class="py-lineno"> 990</tt>  <tt class="py-line">                    <tt class="py-keyword">for</tt> <tt class="py-name">element</tt> <tt class="py-keyword">in</tt> <tt class="py-name">entry</tt><tt class="py-op">[</tt><tt class="py-string">'elements'</tt><tt class="py-op">]</tt><tt class="py-op">:</tt> </tt>
<a name="L991"></a><tt class="py-lineno"> 991</tt>  <tt class="py-line">                        <tt class="py-name">subsubnode</tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-string">'element'</tt><tt class="py-op">)</tt> </tt>
<a name="L992"></a><tt class="py-lineno"> 992</tt>  <tt class="py-line">                        <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createTextNode</tt><tt class="py-op">(</tt><tt class="py-name">element</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L993"></a><tt class="py-lineno"> 993</tt>  <tt class="py-line">                        <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">subsubnode</tt><tt class="py-op">)</tt> </tt>
<a name="L994"></a><tt class="py-lineno"> 994</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">entry</tt><tt class="py-op">[</tt><tt class="py-string">'description'</tt><tt class="py-op">]</tt><tt class="py-op">:</tt> </tt>
<a name="L995"></a><tt class="py-lineno"> 995</tt>  <tt class="py-line">                    <tt class="py-name">subsubnode</tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-string">'description'</tt><tt class="py-op">)</tt> </tt>
<a name="L996"></a><tt class="py-lineno"> 996</tt>  <tt class="py-line">                    <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createTextNode</tt><tt class="py-op">(</tt><tt class="py-name">entry</tt><tt class="py-op">[</tt><tt class="py-string">'description'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L997"></a><tt class="py-lineno"> 997</tt>  <tt class="py-line">                    <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">subsubnode</tt><tt class="py-op">)</tt> </tt>
<a name="L998"></a><tt class="py-lineno"> 998</tt>  <tt class="py-line">                <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">)</tt> </tt>
<a name="L999"></a><tt class="py-lineno"> 999</tt>  <tt class="py-line">        <tt id="link-284" class="py-name"><a title="psychsim.action.Action.root" class="py-name" href="#" onclick="return doclink('link-284', 'root', 'link-110');">root</a></tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">node</tt><tt class="py-op">)</tt> </tt>
<a name="L1000"></a><tt class="py-lineno">1000</tt>  <tt class="py-line">        <tt class="py-comment"># Dynamics</tt> </tt>
<a name="L1001"></a><tt class="py-lineno">1001</tt>  <tt class="py-line">        <tt class="py-name">node</tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-string">'dynamics'</tt><tt class="py-op">)</tt> </tt>
<a name="L1002"></a><tt class="py-lineno">1002</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">key</tt><tt class="py-op">,</tt><tt class="py-name">table</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">dynamics</tt><tt class="py-op">.</tt><tt class="py-name">items</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L1003"></a><tt class="py-lineno">1003</tt>  <tt class="py-line">            <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-string">'table'</tt><tt class="py-op">)</tt> </tt>
<a name="L1004"></a><tt class="py-lineno">1004</tt>  <tt class="py-line">            <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">setAttribute</tt><tt class="py-op">(</tt><tt class="py-string">'key'</tt><tt class="py-op">,</tt><tt class="py-name">key</tt><tt class="py-op">)</tt> </tt>
<a name="L1005"></a><tt class="py-lineno">1005</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt id="link-285" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-285', 'action', 'link-0');">action</a></tt><tt class="py-op">,</tt><tt class="py-name">tree</tt><tt class="py-op">,</tt> <tt class="py-keyword">in</tt> <tt class="py-name">table</tt><tt class="py-op">.</tt><tt class="py-name">items</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L1006"></a><tt class="py-lineno">1006</tt>  <tt class="py-line">                <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt id="link-286" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-286', 'action', 'link-0');">action</a></tt><tt class="py-op">.</tt><tt id="link-287" class="py-name"><a title="psychsim.action.Action.__xml__
psychsim.action.ActionSet.__xml__
psychsim.agent.Agent.__xml__
psychsim.agent.ValueFunction.__xml__
psychsim.probability.Distribution.__xml__
psychsim.pwl.KeyedMatrix.__xml__
psychsim.pwl.KeyedPlane.__xml__
psychsim.pwl.KeyedTree.__xml__
psychsim.pwl.KeyedVector.__xml__
psychsim.world.World.__xml__" class="py-name" href="#" onclick="return doclink('link-287', '__xml__', 'link-282');">__xml__</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">documentElement</tt><tt class="py-op">)</tt> </tt>
<a name="L1007"></a><tt class="py-lineno">1007</tt>  <tt class="py-line">                <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">tree</tt><tt class="py-op">.</tt><tt id="link-288" class="py-name"><a title="psychsim.action.Action.__xml__
psychsim.action.ActionSet.__xml__
psychsim.agent.Agent.__xml__
psychsim.agent.ValueFunction.__xml__
psychsim.probability.Distribution.__xml__
psychsim.pwl.KeyedMatrix.__xml__
psychsim.pwl.KeyedPlane.__xml__
psychsim.pwl.KeyedTree.__xml__
psychsim.pwl.KeyedVector.__xml__
psychsim.world.World.__xml__" class="py-name" href="#" onclick="return doclink('link-288', '__xml__', 'link-282');">__xml__</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">documentElement</tt><tt class="py-op">)</tt> </tt>
<a name="L1008"></a><tt class="py-lineno">1008</tt>  <tt class="py-line">            <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">)</tt> </tt>
<a name="L1009"></a><tt class="py-lineno">1009</tt>  <tt class="py-line">        <tt id="link-289" class="py-name"><a title="psychsim.action.Action.root" class="py-name" href="#" onclick="return doclink('link-289', 'root', 'link-110');">root</a></tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">node</tt><tt class="py-op">)</tt> </tt>
<a name="L1010"></a><tt class="py-lineno">1010</tt>  <tt class="py-line">        <tt class="py-comment"># Inter-state dependency</tt> </tt>
<a name="L1011"></a><tt class="py-lineno">1011</tt>  <tt class="py-line">        <tt class="py-name">node</tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-string">'dependency'</tt><tt class="py-op">)</tt> </tt>
<a name="L1012"></a><tt class="py-lineno">1012</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">key</tt><tt class="py-op">,</tt><tt class="py-name">table</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">dependency</tt><tt class="py-op">.</tt><tt class="py-name">items</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L1013"></a><tt class="py-lineno">1013</tt>  <tt class="py-line">            <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-string">'dependent'</tt><tt class="py-op">)</tt> </tt>
<a name="L1014"></a><tt class="py-lineno">1014</tt>  <tt class="py-line">            <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">setAttribute</tt><tt class="py-op">(</tt><tt class="py-string">'key'</tt><tt class="py-op">,</tt><tt class="py-name">key</tt><tt class="py-op">)</tt> </tt>
<a name="L1015"></a><tt class="py-lineno">1015</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">ind</tt> <tt class="py-keyword">in</tt> <tt class="py-name">table</tt><tt class="py-op">.</tt><tt class="py-name">keys</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L1016"></a><tt class="py-lineno">1016</tt>  <tt class="py-line">                <tt class="py-name">subsubnode</tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-string">'independent'</tt><tt class="py-op">)</tt> </tt>
<a name="L1017"></a><tt class="py-lineno">1017</tt>  <tt class="py-line">                <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createTextNode</tt><tt class="py-op">(</tt><tt class="py-name">ind</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L1018"></a><tt class="py-lineno">1018</tt>  <tt class="py-line">                <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">subsubnode</tt><tt class="py-op">)</tt> </tt>
<a name="L1019"></a><tt class="py-lineno">1019</tt>  <tt class="py-line">            <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">)</tt> </tt>
<a name="L1020"></a><tt class="py-lineno">1020</tt>  <tt class="py-line">        <tt id="link-290" class="py-name"><a title="psychsim.action.Action.root" class="py-name" href="#" onclick="return doclink('link-290', 'root', 'link-110');">root</a></tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">node</tt><tt class="py-op">)</tt> </tt>
<a name="L1021"></a><tt class="py-lineno">1021</tt>  <tt class="py-line">        <tt class="py-comment"># Termination conditions</tt> </tt>
<a name="L1022"></a><tt class="py-lineno">1022</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">termination</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">termination</tt><tt class="py-op">:</tt> </tt>
<a name="L1023"></a><tt class="py-lineno">1023</tt>  <tt class="py-line">            <tt class="py-name">node</tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-string">'termination'</tt><tt class="py-op">)</tt> </tt>
<a name="L1024"></a><tt class="py-lineno">1024</tt>  <tt class="py-line">            <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">termination</tt><tt class="py-op">.</tt><tt id="link-291" class="py-name"><a title="psychsim.action.Action.__xml__
psychsim.action.ActionSet.__xml__
psychsim.agent.Agent.__xml__
psychsim.agent.ValueFunction.__xml__
psychsim.probability.Distribution.__xml__
psychsim.pwl.KeyedMatrix.__xml__
psychsim.pwl.KeyedPlane.__xml__
psychsim.pwl.KeyedTree.__xml__
psychsim.pwl.KeyedVector.__xml__
psychsim.world.World.__xml__" class="py-name" href="#" onclick="return doclink('link-291', '__xml__', 'link-282');">__xml__</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">documentElement</tt><tt class="py-op">)</tt> </tt>
<a name="L1025"></a><tt class="py-lineno">1025</tt>  <tt class="py-line">            <tt id="link-292" class="py-name"><a title="psychsim.action.Action.root" class="py-name" href="#" onclick="return doclink('link-292', 'root', 'link-110');">root</a></tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">node</tt><tt class="py-op">)</tt> </tt>
<a name="L1026"></a><tt class="py-lineno">1026</tt>  <tt class="py-line">        <tt class="py-comment"># Event history</tt> </tt>
<a name="L1027"></a><tt class="py-lineno">1027</tt>  <tt class="py-line">        <tt class="py-name">node</tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-string">'history'</tt><tt class="py-op">)</tt> </tt>
<a name="L1028"></a><tt class="py-lineno">1028</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">entry</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">history</tt><tt class="py-op">:</tt> </tt>
<a name="L1029"></a><tt class="py-lineno">1029</tt>  <tt class="py-line">            <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-string">'entry'</tt><tt class="py-op">)</tt> </tt>
<a name="L1030"></a><tt class="py-lineno">1030</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">outcome</tt> <tt class="py-keyword">in</tt> <tt class="py-name">entry</tt><tt class="py-op">:</tt> </tt>
<a name="L1031"></a><tt class="py-lineno">1031</tt>  <tt class="py-line">                <tt class="py-name">subsubnode</tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-string">'outcome'</tt><tt class="py-op">)</tt> </tt>
<a name="L1032"></a><tt class="py-lineno">1032</tt>  <tt class="py-line">                <tt class="py-keyword">for</tt> <tt class="py-name">name</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">.</tt><tt class="py-name">keys</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L1033"></a><tt class="py-lineno">1033</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-name">outcome</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-string">'actions'</tt><tt class="py-op">)</tt> <tt class="py-keyword">and</tt> <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'actions'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L1034"></a><tt class="py-lineno">1034</tt>  <tt class="py-line">                        <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'actions'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-293" class="py-name"><a title="psychsim.action.Action.__xml__
psychsim.action.ActionSet.__xml__
psychsim.agent.Agent.__xml__
psychsim.agent.ValueFunction.__xml__
psychsim.probability.Distribution.__xml__
psychsim.pwl.KeyedMatrix.__xml__
psychsim.pwl.KeyedPlane.__xml__
psychsim.pwl.KeyedTree.__xml__
psychsim.pwl.KeyedVector.__xml__
psychsim.world.World.__xml__" class="py-name" href="#" onclick="return doclink('link-293', '__xml__', 'link-282');">__xml__</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">documentElement</tt><tt class="py-op">)</tt> </tt>
<a name="L1035"></a><tt class="py-lineno">1035</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">outcome</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-string">'delta'</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L1036"></a><tt class="py-lineno">1036</tt>  <tt class="py-line">                    <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'delta'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-294" class="py-name"><a title="psychsim.action.Action.__xml__
psychsim.action.ActionSet.__xml__
psychsim.agent.Agent.__xml__
psychsim.agent.ValueFunction.__xml__
psychsim.probability.Distribution.__xml__
psychsim.pwl.KeyedMatrix.__xml__
psychsim.pwl.KeyedPlane.__xml__
psychsim.pwl.KeyedTree.__xml__
psychsim.pwl.KeyedVector.__xml__
psychsim.world.World.__xml__" class="py-name" href="#" onclick="return doclink('link-294', '__xml__', 'link-282');">__xml__</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">documentElement</tt><tt class="py-op">)</tt> </tt>
<a name="L1037"></a><tt class="py-lineno">1037</tt>  <tt class="py-line">                <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'old'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-295" class="py-name"><a title="psychsim.action.Action.__xml__
psychsim.action.ActionSet.__xml__
psychsim.agent.Agent.__xml__
psychsim.agent.ValueFunction.__xml__
psychsim.probability.Distribution.__xml__
psychsim.pwl.KeyedMatrix.__xml__
psychsim.pwl.KeyedPlane.__xml__
psychsim.pwl.KeyedTree.__xml__
psychsim.pwl.KeyedVector.__xml__
psychsim.world.World.__xml__" class="py-name" href="#" onclick="return doclink('link-295', '__xml__', 'link-282');">__xml__</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">documentElement</tt><tt class="py-op">)</tt> </tt>
<a name="L1038"></a><tt class="py-lineno">1038</tt>  <tt class="py-line">                <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">subsubnode</tt><tt class="py-op">)</tt> </tt>
<a name="L1039"></a><tt class="py-lineno">1039</tt>  <tt class="py-line">            <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">)</tt> </tt>
<a name="L1040"></a><tt class="py-lineno">1040</tt>  <tt class="py-line">        <tt id="link-296" class="py-name"><a title="psychsim.action.Action.root" class="py-name" href="#" onclick="return doclink('link-296', 'root', 'link-110');">root</a></tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">node</tt><tt class="py-op">)</tt> </tt>
<a name="L1041"></a><tt class="py-lineno">1041</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">doc</tt> </tt>
</div><a name="L1042"></a><tt class="py-lineno">1042</tt>  <tt class="py-line"> </tt>
<a name="World.parse"></a><div id="World.parse-def"><a name="L1043"></a><tt class="py-lineno">1043</tt> <a class="py-toggle" href="#" id="World.parse-toggle" onclick="return toggle('World.parse');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#parse">parse</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">element</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.parse-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.parse-expanded"><a name="L1044"></a><tt class="py-lineno">1044</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-297" class="py-name" targets="Method psychsim.world.World.initialize()=psychsim.world.World-class.html#initialize"><a title="psychsim.world.World.initialize" class="py-name" href="#" onclick="return doclink('link-297', 'initialize', 'link-297');">initialize</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L1045"></a><tt class="py-lineno">1045</tt>  <tt class="py-line">        <tt class="py-name">node</tt> <tt class="py-op">=</tt> <tt class="py-name">element</tt><tt class="py-op">.</tt><tt class="py-name">firstChild</tt> </tt>
<a name="L1046"></a><tt class="py-lineno">1046</tt>  <tt class="py-line">        <tt class="py-keyword">while</tt> <tt class="py-name">node</tt><tt class="py-op">:</tt> </tt>
<a name="L1047"></a><tt class="py-lineno">1047</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">nodeType</tt> <tt class="py-op">==</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">ELEMENT_NODE</tt><tt class="py-op">:</tt> </tt>
<a name="L1048"></a><tt class="py-lineno">1048</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'agent'</tt><tt class="py-op">:</tt> </tt>
<a name="L1049"></a><tt class="py-lineno">1049</tt>  <tt class="py-line">                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-298" class="py-name" targets="Method psychsim.world.World.addAgent()=psychsim.world.World-class.html#addAgent"><a title="psychsim.world.World.addAgent" class="py-name" href="#" onclick="return doclink('link-298', 'addAgent', 'link-298');">addAgent</a></tt><tt class="py-op">(</tt><tt id="link-299" class="py-name"><a title="psychsim.agent.Agent" class="py-name" href="#" onclick="return doclink('link-299', 'Agent', 'link-7');">Agent</a></tt><tt class="py-op">(</tt><tt class="py-name">node</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L1050"></a><tt class="py-lineno">1050</tt>  <tt class="py-line">                <tt class="py-keyword">elif</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'state'</tt><tt class="py-op">:</tt> </tt>
<a name="L1051"></a><tt class="py-lineno">1051</tt>  <tt class="py-line">                    <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">firstChild</tt> </tt>
<a name="L1052"></a><tt class="py-lineno">1052</tt>  <tt class="py-line">                    <tt class="py-keyword">while</tt> <tt class="py-name">subnode</tt><tt class="py-op">:</tt> </tt>
<a name="L1053"></a><tt class="py-lineno">1053</tt>  <tt class="py-line">                        <tt class="py-keyword">if</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">nodeType</tt> <tt class="py-op">==</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">ELEMENT_NODE</tt><tt class="py-op">:</tt> </tt>
<a name="L1054"></a><tt class="py-lineno">1054</tt>  <tt class="py-line">                            <tt class="py-keyword">if</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'distribution'</tt><tt class="py-op">:</tt> </tt>
<a name="L1055"></a><tt class="py-lineno">1055</tt>  <tt class="py-line">                                <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">state</tt><tt class="py-op">.</tt><tt id="link-300" class="py-name"><a title="psychsim.action.Action.parse
psychsim.agent.Agent.parse
psychsim.agent.ValueFunction.parse
psychsim.probability.Distribution.parse
psychsim.pwl.KeyedMatrix.parse
psychsim.pwl.KeyedPlane.parse
psychsim.pwl.KeyedTree.parse
psychsim.pwl.KeyedVector.parse
psychsim.world.World.parse" class="py-name" href="#" onclick="return doclink('link-300', 'parse', 'link-11');">parse</a></tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">)</tt> </tt>
<a name="L1056"></a><tt class="py-lineno">1056</tt>  <tt class="py-line">                            <tt class="py-keyword">elif</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'feature'</tt><tt class="py-op">:</tt> </tt>
<a name="L1057"></a><tt class="py-lineno">1057</tt>  <tt class="py-line">                                <tt class="py-name">entity</tt> <tt class="py-op">=</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">getAttribute</tt><tt class="py-op">(</tt><tt class="py-string">'entity'</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L1058"></a><tt class="py-lineno">1058</tt>  <tt class="py-line">                                <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">entity</tt><tt class="py-op">:</tt> </tt>
<a name="L1059"></a><tt class="py-lineno">1059</tt>  <tt class="py-line">                                    <tt class="py-name">entity</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
<a name="L1060"></a><tt class="py-lineno">1060</tt>  <tt class="py-line">                                <tt class="py-name">feature</tt> <tt class="py-op">=</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">firstChild</tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">strip</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L1061"></a><tt class="py-lineno">1061</tt>  <tt class="py-line">                                <tt id="link-301" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-301', 'domain', 'link-22');">domain</a></tt> <tt class="py-op">=</tt> <tt class="py-name">eval</tt><tt class="py-op">(</tt><tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">getAttribute</tt><tt class="py-op">(</tt><tt class="py-string">'domain'</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L1062"></a><tt class="py-lineno">1062</tt>  <tt class="py-line">                                <tt class="py-name">description</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
<a name="L1063"></a><tt class="py-lineno">1063</tt>  <tt class="py-line">                                <tt class="py-name">lo</tt> <tt class="py-op">=</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">getAttribute</tt><tt class="py-op">(</tt><tt class="py-string">'lo'</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L1064"></a><tt class="py-lineno">1064</tt>  <tt class="py-line">                                <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">lo</tt><tt class="py-op">:</tt> <tt class="py-name">lo</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
<a name="L1065"></a><tt class="py-lineno">1065</tt>  <tt class="py-line">                                <tt class="py-name">hi</tt> <tt class="py-op">=</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">getAttribute</tt><tt class="py-op">(</tt><tt class="py-string">'hi'</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L1066"></a><tt class="py-lineno">1066</tt>  <tt class="py-line">                                <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">hi</tt><tt class="py-op">:</tt> <tt class="py-name">hi</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
<a name="L1067"></a><tt class="py-lineno">1067</tt>  <tt class="py-line">                                <tt class="py-keyword">if</tt> <tt id="link-302" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-302', 'domain', 'link-22');">domain</a></tt> <tt class="py-keyword">is</tt> <tt class="py-name">int</tt><tt class="py-op">:</tt> </tt>
<a name="L1068"></a><tt class="py-lineno">1068</tt>  <tt class="py-line">                                    <tt class="py-keyword">if</tt> <tt class="py-name">lo</tt><tt class="py-op">:</tt> <tt class="py-name">lo</tt> <tt class="py-op">=</tt> <tt class="py-name">int</tt><tt class="py-op">(</tt><tt class="py-name">lo</tt><tt class="py-op">)</tt> </tt>
<a name="L1069"></a><tt class="py-lineno">1069</tt>  <tt class="py-line">                                    <tt class="py-keyword">if</tt> <tt class="py-name">hi</tt><tt class="py-op">:</tt> <tt class="py-name">hi</tt> <tt class="py-op">=</tt> <tt class="py-name">int</tt><tt class="py-op">(</tt><tt class="py-name">hi</tt><tt class="py-op">)</tt> </tt>
<a name="L1070"></a><tt class="py-lineno">1070</tt>  <tt class="py-line">                                <tt class="py-keyword">elif</tt> <tt id="link-303" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-303', 'domain', 'link-22');">domain</a></tt> <tt class="py-keyword">is</tt> <tt class="py-name">float</tt><tt class="py-op">:</tt> </tt>
<a name="L1071"></a><tt class="py-lineno">1071</tt>  <tt class="py-line">                                    <tt class="py-keyword">if</tt> <tt class="py-name">lo</tt><tt class="py-op">:</tt> <tt class="py-name">lo</tt> <tt class="py-op">=</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">lo</tt><tt class="py-op">)</tt> </tt>
<a name="L1072"></a><tt class="py-lineno">1072</tt>  <tt class="py-line">                                    <tt class="py-keyword">if</tt> <tt class="py-name">hi</tt><tt class="py-op">:</tt> <tt class="py-name">hi</tt> <tt class="py-op">=</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">hi</tt><tt class="py-op">)</tt> </tt>
<a name="L1073"></a><tt class="py-lineno">1073</tt>  <tt class="py-line">                                <tt class="py-keyword">elif</tt> <tt id="link-304" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-304', 'domain', 'link-22');">domain</a></tt> <tt class="py-keyword">is</tt> <tt class="py-name">bool</tt><tt class="py-op">:</tt> </tt>
<a name="L1074"></a><tt class="py-lineno">1074</tt>  <tt class="py-line">                                    <tt class="py-keyword">pass</tt> </tt>
<a name="L1075"></a><tt class="py-lineno">1075</tt>  <tt class="py-line">                                <tt class="py-keyword">elif</tt> <tt id="link-305" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-305', 'domain', 'link-22');">domain</a></tt> <tt class="py-keyword">is</tt> <tt class="py-name">list</tt><tt class="py-op">:</tt> </tt>
<a name="L1076"></a><tt class="py-lineno">1076</tt>  <tt class="py-line">                                    <tt class="py-name">lo</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L1077"></a><tt class="py-lineno">1077</tt>  <tt class="py-line">                                <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L1078"></a><tt class="py-lineno">1078</tt>  <tt class="py-line">                                    <tt class="py-keyword">raise</tt> <tt class="py-name">TypeError</tt><tt class="py-op">,</tt><tt class="py-string">'Unknown feature domain type: %s'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt id="link-306" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-306', 'domain', 'link-22');">domain</a></tt><tt class="py-op">)</tt> </tt>
<a name="L1079"></a><tt class="py-lineno">1079</tt>  <tt class="py-line">                                <tt class="py-name">subsubnode</tt> <tt class="py-op">=</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">firstChild</tt> </tt>
<a name="L1080"></a><tt class="py-lineno">1080</tt>  <tt class="py-line">                                <tt class="py-keyword">while</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">:</tt> </tt>
<a name="L1081"></a><tt class="py-lineno">1081</tt>  <tt class="py-line">                                    <tt class="py-keyword">if</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">nodeType</tt> <tt class="py-op">==</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">ELEMENT_NODE</tt><tt class="py-op">:</tt> </tt>
<a name="L1082"></a><tt class="py-lineno">1082</tt>  <tt class="py-line">                                        <tt class="py-keyword">if</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'element'</tt><tt class="py-op">:</tt> </tt>
<a name="L1083"></a><tt class="py-lineno">1083</tt>  <tt class="py-line">                                            <tt class="py-keyword">assert</tt> <tt id="link-307" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-307', 'domain', 'link-22');">domain</a></tt> <tt class="py-keyword">is</tt> <tt class="py-name">list</tt> </tt>
<a name="L1084"></a><tt class="py-lineno">1084</tt>  <tt class="py-line">                                            <tt class="py-name">lo</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">firstChild</tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">strip</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L1085"></a><tt class="py-lineno">1085</tt>  <tt class="py-line">                                        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L1086"></a><tt class="py-lineno">1086</tt>  <tt class="py-line">                                            <tt class="py-keyword">assert</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'description'</tt> </tt>
<a name="L1087"></a><tt class="py-lineno">1087</tt>  <tt class="py-line">                                            <tt class="py-name">description</tt> <tt class="py-op">=</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">firstChild</tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">strip</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L1088"></a><tt class="py-lineno">1088</tt>  <tt class="py-line">                                    <tt class="py-name">subsubnode</tt> <tt class="py-op">=</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">nextSibling</tt> </tt>
<a name="L1089"></a><tt class="py-lineno">1089</tt>  <tt class="py-line">                                <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-308" class="py-name" targets="Method psychsim.world.World.defineState()=psychsim.world.World-class.html#defineState"><a title="psychsim.world.World.defineState" class="py-name" href="#" onclick="return doclink('link-308', 'defineState', 'link-308');">defineState</a></tt><tt class="py-op">(</tt><tt class="py-name">entity</tt><tt class="py-op">,</tt><tt class="py-name">feature</tt><tt class="py-op">,</tt><tt id="link-309" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-309', 'domain', 'link-22');">domain</a></tt><tt class="py-op">,</tt><tt class="py-name">lo</tt><tt class="py-op">,</tt><tt class="py-name">hi</tt><tt class="py-op">,</tt><tt class="py-name">description</tt><tt class="py-op">)</tt> </tt>
<a name="L1090"></a><tt class="py-lineno">1090</tt>  <tt class="py-line">                        <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">nextSibling</tt> </tt>
<a name="L1091"></a><tt class="py-lineno">1091</tt>  <tt class="py-line">                <tt class="py-keyword">elif</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'dynamics'</tt><tt class="py-op">:</tt> </tt>
<a name="L1092"></a><tt class="py-lineno">1092</tt>  <tt class="py-line">                    <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">firstChild</tt> </tt>
<a name="L1093"></a><tt class="py-lineno">1093</tt>  <tt class="py-line">                    <tt class="py-keyword">while</tt> <tt class="py-name">subnode</tt><tt class="py-op">:</tt> </tt>
<a name="L1094"></a><tt class="py-lineno">1094</tt>  <tt class="py-line">                        <tt class="py-keyword">if</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">nodeType</tt> <tt class="py-op">==</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">ELEMENT_NODE</tt><tt class="py-op">:</tt> </tt>
<a name="L1095"></a><tt class="py-lineno">1095</tt>  <tt class="py-line">                            <tt class="py-keyword">assert</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'table'</tt> </tt>
<a name="L1096"></a><tt class="py-lineno">1096</tt>  <tt class="py-line">                            <tt class="py-name">key</tt> <tt class="py-op">=</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">getAttribute</tt><tt class="py-op">(</tt><tt class="py-string">'key'</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L1097"></a><tt class="py-lineno">1097</tt>  <tt class="py-line">                            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">dynamics</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L1098"></a><tt class="py-lineno">1098</tt>  <tt class="py-line">                            <tt class="py-name">subsubnode</tt> <tt class="py-op">=</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">firstChild</tt> </tt>
<a name="L1099"></a><tt class="py-lineno">1099</tt>  <tt class="py-line">                            <tt id="link-310" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-310', 'action', 'link-0');">action</a></tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
<a name="L1100"></a><tt class="py-lineno">1100</tt>  <tt class="py-line">                            <tt class="py-keyword">while</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">:</tt> </tt>
<a name="L1101"></a><tt class="py-lineno">1101</tt>  <tt class="py-line">                                <tt class="py-keyword">if</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">nodeType</tt> <tt class="py-op">==</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">ELEMENT_NODE</tt><tt class="py-op">:</tt> </tt>
<a name="L1102"></a><tt class="py-lineno">1102</tt>  <tt class="py-line">                                    <tt class="py-keyword">if</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'action'</tt><tt class="py-op">:</tt> </tt>
<a name="L1103"></a><tt class="py-lineno">1103</tt>  <tt class="py-line">                                        <tt class="py-keyword">assert</tt> <tt id="link-311" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-311', 'action', 'link-0');">action</a></tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt> </tt>
<a name="L1104"></a><tt class="py-lineno">1104</tt>  <tt class="py-line">                                        <tt id="link-312" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-312', 'action', 'link-0');">action</a></tt> <tt class="py-op">=</tt> <tt id="link-313" class="py-name"><a title="psychsim.action.Action" class="py-name" href="#" onclick="return doclink('link-313', 'Action', 'link-2');">Action</a></tt><tt class="py-op">(</tt><tt class="py-name">subsubnode</tt><tt class="py-op">)</tt> </tt>
<a name="L1105"></a><tt class="py-lineno">1105</tt>  <tt class="py-line">                                    <tt class="py-keyword">elif</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'option'</tt><tt class="py-op">:</tt> </tt>
<a name="L1106"></a><tt class="py-lineno">1106</tt>  <tt class="py-line">                                        <tt class="py-keyword">assert</tt> <tt id="link-314" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-314', 'action', 'link-0');">action</a></tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt> </tt>
<a name="L1107"></a><tt class="py-lineno">1107</tt>  <tt class="py-line">                                        <tt id="link-315" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-315', 'action', 'link-0');">action</a></tt> <tt class="py-op">=</tt> <tt id="link-316" class="py-name"><a title="psychsim.action.ActionSet" class="py-name" href="#" onclick="return doclink('link-316', 'ActionSet', 'link-1');">ActionSet</a></tt><tt class="py-op">(</tt><tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">childNodes</tt><tt class="py-op">)</tt> </tt>
<a name="L1108"></a><tt class="py-lineno">1108</tt>  <tt class="py-line">                                    <tt class="py-keyword">elif</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'tree'</tt><tt class="py-op">:</tt> </tt>
<a name="L1109"></a><tt class="py-lineno">1109</tt>  <tt class="py-line">                                        <tt class="py-keyword">assert</tt> <tt class="py-keyword">not</tt> <tt id="link-317" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-317', 'action', 'link-0');">action</a></tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt> </tt>
<a name="L1110"></a><tt class="py-lineno">1110</tt>  <tt class="py-line">                                        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">dynamics</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-318" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-318', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt id="link-319" class="py-name" targets="Class psychsim.pwl.KeyedTree=psychsim.pwl.KeyedTree-class.html"><a title="psychsim.pwl.KeyedTree" class="py-name" href="#" onclick="return doclink('link-319', 'KeyedTree', 'link-319');">KeyedTree</a></tt><tt class="py-op">(</tt><tt class="py-name">subsubnode</tt><tt class="py-op">)</tt> </tt>
<a name="L1111"></a><tt class="py-lineno">1111</tt>  <tt class="py-line">                                        <tt id="link-320" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-320', 'action', 'link-0');">action</a></tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
<a name="L1112"></a><tt class="py-lineno">1112</tt>  <tt class="py-line">                                    <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L1113"></a><tt class="py-lineno">1113</tt>  <tt class="py-line">                                        <tt class="py-keyword">raise</tt> <tt class="py-name">NameError</tt><tt class="py-op">,</tt><tt class="py-string">'Unknown dynamics element: %s'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt><tt class="py-op">)</tt> </tt>
<a name="L1114"></a><tt class="py-lineno">1114</tt>  <tt class="py-line">                                <tt class="py-name">subsubnode</tt> <tt class="py-op">=</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">nextSibling</tt> </tt>
<a name="L1115"></a><tt class="py-lineno">1115</tt>  <tt class="py-line">                        <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">nextSibling</tt> </tt>
<a name="L1116"></a><tt class="py-lineno">1116</tt>  <tt class="py-line">                <tt class="py-keyword">elif</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'dependency'</tt><tt class="py-op">:</tt> </tt>
<a name="L1117"></a><tt class="py-lineno">1117</tt>  <tt class="py-line">                    <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">firstChild</tt> </tt>
<a name="L1118"></a><tt class="py-lineno">1118</tt>  <tt class="py-line">                    <tt class="py-keyword">while</tt> <tt class="py-name">subnode</tt><tt class="py-op">:</tt> </tt>
<a name="L1119"></a><tt class="py-lineno">1119</tt>  <tt class="py-line">                        <tt class="py-keyword">if</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">nodeType</tt> <tt class="py-op">==</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">ELEMENT_NODE</tt><tt class="py-op">:</tt> </tt>
<a name="L1120"></a><tt class="py-lineno">1120</tt>  <tt class="py-line">                            <tt class="py-keyword">assert</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'dependent'</tt> </tt>
<a name="L1121"></a><tt class="py-lineno">1121</tt>  <tt class="py-line">                            <tt class="py-name">dep</tt> <tt class="py-op">=</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">getAttribute</tt><tt class="py-op">(</tt><tt class="py-string">'key'</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L1122"></a><tt class="py-lineno">1122</tt>  <tt class="py-line">                            <tt class="py-name">subsubnode</tt> <tt class="py-op">=</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">firstChild</tt> </tt>
<a name="L1123"></a><tt class="py-lineno">1123</tt>  <tt class="py-line">                            <tt class="py-keyword">while</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">:</tt> </tt>
<a name="L1124"></a><tt class="py-lineno">1124</tt>  <tt class="py-line">                                <tt class="py-keyword">if</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">nodeType</tt> <tt class="py-op">==</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">ELEMENT_NODE</tt><tt class="py-op">:</tt> </tt>
<a name="L1125"></a><tt class="py-lineno">1125</tt>  <tt class="py-line">                                    <tt class="py-keyword">assert</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'independent'</tt> </tt>
<a name="L1126"></a><tt class="py-lineno">1126</tt>  <tt class="py-line">                                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-321" class="py-name" targets="Method psychsim.world.World.addDependency()=psychsim.world.World-class.html#addDependency"><a title="psychsim.world.World.addDependency" class="py-name" href="#" onclick="return doclink('link-321', 'addDependency', 'link-321');">addDependency</a></tt><tt class="py-op">(</tt><tt class="py-name">dep</tt><tt class="py-op">,</tt><tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">firstChild</tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">strip</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L1127"></a><tt class="py-lineno">1127</tt>  <tt class="py-line">                                <tt class="py-name">subsubnode</tt> <tt class="py-op">=</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">nextSibling</tt> </tt>
<a name="L1128"></a><tt class="py-lineno">1128</tt>  <tt class="py-line">                        <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">nextSibling</tt> </tt>
<a name="L1129"></a><tt class="py-lineno">1129</tt>  <tt class="py-line">                <tt class="py-keyword">elif</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'termination'</tt><tt class="py-op">:</tt> </tt>
<a name="L1130"></a><tt class="py-lineno">1130</tt>  <tt class="py-line">                    <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">firstChild</tt> </tt>
<a name="L1131"></a><tt class="py-lineno">1131</tt>  <tt class="py-line">                    <tt class="py-keyword">while</tt> <tt class="py-name">subnode</tt> <tt class="py-keyword">and</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">nodeType</tt> <tt class="py-op">!=</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">ELEMENT_NODE</tt><tt class="py-op">:</tt> </tt>
<a name="L1132"></a><tt class="py-lineno">1132</tt>  <tt class="py-line">                        <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">nextSibling</tt> </tt>
<a name="L1133"></a><tt class="py-lineno">1133</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-name">subnode</tt><tt class="py-op">:</tt> </tt>
<a name="L1134"></a><tt class="py-lineno">1134</tt>  <tt class="py-line">                        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">termination</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt id="link-322" class="py-name"><a title="psychsim.pwl.KeyedTree" class="py-name" href="#" onclick="return doclink('link-322', 'KeyedTree', 'link-319');">KeyedTree</a></tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L1135"></a><tt class="py-lineno">1135</tt>  <tt class="py-line">                <tt class="py-keyword">elif</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'history'</tt><tt class="py-op">:</tt> </tt>
<a name="L1136"></a><tt class="py-lineno">1136</tt>  <tt class="py-line">                    <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">firstChild</tt> </tt>
<a name="L1137"></a><tt class="py-lineno">1137</tt>  <tt class="py-line">                    <tt class="py-keyword">while</tt> <tt class="py-name">subnode</tt><tt class="py-op">:</tt> </tt>
<a name="L1138"></a><tt class="py-lineno">1138</tt>  <tt class="py-line">                        <tt class="py-keyword">if</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">nodeType</tt> <tt class="py-op">==</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">ELEMENT_NODE</tt><tt class="py-op">:</tt> </tt>
<a name="L1139"></a><tt class="py-lineno">1139</tt>  <tt class="py-line">                            <tt class="py-keyword">assert</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'entry'</tt> </tt>
<a name="L1140"></a><tt class="py-lineno">1140</tt>  <tt class="py-line">                            <tt class="py-name">entry</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L1141"></a><tt class="py-lineno">1141</tt>  <tt class="py-line">                            <tt class="py-name">subsubnode</tt> <tt class="py-op">=</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">firstChild</tt> </tt>
<a name="L1142"></a><tt class="py-lineno">1142</tt>  <tt class="py-line">                            <tt class="py-keyword">while</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">:</tt> </tt>
<a name="L1143"></a><tt class="py-lineno">1143</tt>  <tt class="py-line">                                <tt class="py-keyword">if</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">nodeType</tt> <tt class="py-op">==</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">ELEMENT_NODE</tt><tt class="py-op">:</tt> </tt>
<a name="L1144"></a><tt class="py-lineno">1144</tt>  <tt class="py-line">                                    <tt class="py-keyword">assert</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'outcome'</tt> </tt>
<a name="L1145"></a><tt class="py-lineno">1145</tt>  <tt class="py-line">                                    <tt class="py-name">outcome</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-string">'actions'</tt><tt class="py-op">:</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt><tt class="py-op">}</tt> </tt>
<a name="L1146"></a><tt class="py-lineno">1146</tt>  <tt class="py-line">                                    <tt class="py-name">element</tt> <tt class="py-op">=</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">firstChild</tt> </tt>
<a name="L1147"></a><tt class="py-lineno">1147</tt>  <tt class="py-line">                                    <tt class="py-keyword">while</tt> <tt class="py-name">element</tt><tt class="py-op">:</tt> </tt>
<a name="L1148"></a><tt class="py-lineno">1148</tt>  <tt class="py-line">                                        <tt class="py-keyword">if</tt> <tt class="py-name">element</tt><tt class="py-op">.</tt><tt class="py-name">nodeType</tt> <tt class="py-op">==</tt> <tt class="py-name">element</tt><tt class="py-op">.</tt><tt class="py-name">ELEMENT_NODE</tt><tt class="py-op">:</tt> </tt>
<a name="L1149"></a><tt class="py-lineno">1149</tt>  <tt class="py-line">                                            <tt class="py-keyword">if</tt> <tt class="py-name">element</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'option'</tt><tt class="py-op">:</tt> </tt>
<a name="L1150"></a><tt class="py-lineno">1150</tt>  <tt class="py-line">                                                <tt class="py-name">option</tt> <tt class="py-op">=</tt> <tt id="link-323" class="py-name"><a title="psychsim.action.ActionSet" class="py-name" href="#" onclick="return doclink('link-323', 'ActionSet', 'link-1');">ActionSet</a></tt><tt class="py-op">(</tt><tt class="py-name">element</tt><tt class="py-op">.</tt><tt class="py-name">childNodes</tt><tt class="py-op">)</tt> </tt>
<a name="L1151"></a><tt class="py-lineno">1151</tt>  <tt class="py-line">                                                <tt class="py-keyword">for</tt> <tt id="link-324" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-324', 'action', 'link-0');">action</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">option</tt><tt class="py-op">:</tt> </tt>
<a name="L1152"></a><tt class="py-lineno">1152</tt>  <tt class="py-line">                                                    <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'actions'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-325" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-325', 'action', 'link-0');">action</a></tt><tt class="py-op">[</tt><tt class="py-string">'subject'</tt><tt class="py-op">]</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">option</tt> </tt>
<a name="L1153"></a><tt class="py-lineno">1153</tt>  <tt class="py-line">                                                    <tt class="py-keyword">break</tt> </tt>
<a name="L1154"></a><tt class="py-lineno">1154</tt>  <tt class="py-line">                                            <tt class="py-keyword">elif</tt> <tt class="py-name">element</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'vector'</tt><tt class="py-op">:</tt> </tt>
<a name="L1155"></a><tt class="py-lineno">1155</tt>  <tt class="py-line">                                                <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'old'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt id="link-326" class="py-name"><a title="psychsim.pwl.KeyedVector" class="py-name" href="#" onclick="return doclink('link-326', 'KeyedVector', 'link-13');">KeyedVector</a></tt><tt class="py-op">(</tt><tt class="py-name">element</tt><tt class="py-op">)</tt> </tt>
<a name="L1156"></a><tt class="py-lineno">1156</tt>  <tt class="py-line">                                            <tt class="py-keyword">elif</tt> <tt class="py-name">element</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'distribution'</tt><tt class="py-op">:</tt> </tt>
<a name="L1157"></a><tt class="py-lineno">1157</tt>  <tt class="py-line">                                                <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'delta'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt id="link-327" class="py-name"><a title="psychsim.pwl.VectorDistribution" class="py-name" href="#" onclick="return doclink('link-327', 'VectorDistribution', 'link-9');">VectorDistribution</a></tt><tt class="py-op">(</tt><tt class="py-name">element</tt><tt class="py-op">)</tt> </tt>
<a name="L1158"></a><tt class="py-lineno">1158</tt>  <tt class="py-line">                                        <tt class="py-name">element</tt> <tt class="py-op">=</tt> <tt class="py-name">element</tt><tt class="py-op">.</tt><tt class="py-name">nextSibling</tt> </tt>
<a name="L1159"></a><tt class="py-lineno">1159</tt>  <tt class="py-line">                                    <tt class="py-name">entry</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">outcome</tt><tt class="py-op">)</tt> </tt>
<a name="L1160"></a><tt class="py-lineno">1160</tt>  <tt class="py-line">                                <tt class="py-name">subsubnode</tt> <tt class="py-op">=</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">nextSibling</tt> </tt>
<a name="L1161"></a><tt class="py-lineno">1161</tt>  <tt class="py-line">                            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">history</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">entry</tt><tt class="py-op">)</tt> </tt>
<a name="L1162"></a><tt class="py-lineno">1162</tt>  <tt class="py-line">                        <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">nextSibling</tt> </tt>
<a name="L1163"></a><tt class="py-lineno">1163</tt>  <tt class="py-line">            <tt class="py-name">node</tt> <tt class="py-op">=</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">nextSibling</tt> </tt>
</div><a name="L1164"></a><tt class="py-lineno">1164</tt>  <tt class="py-line">         </tt>
<a name="World.save"></a><div id="World.save-def"><a name="L1165"></a><tt class="py-lineno">1165</tt> <a class="py-toggle" href="#" id="World.save-toggle" onclick="return toggle('World.save');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world.World-class.html#save">save</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">filename</tt><tt class="py-op">,</tt><tt class="py-param">compressed</tt><tt class="py-op">=</tt><tt class="py-name">True</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="World.save-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="World.save-expanded"><a name="L1166"></a><tt class="py-lineno">1166</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L1167"></a><tt class="py-lineno">1167</tt>  <tt class="py-line"><tt class="py-docstring">        @param compressed: if C{True}, then save in compressed XML; otherwise, save in XML (default is C{True})</tt> </tt>
<a name="L1168"></a><tt class="py-lineno">1168</tt>  <tt class="py-line"><tt class="py-docstring">        @type compressed: bool</tt> </tt>
<a name="L1169"></a><tt class="py-lineno">1169</tt>  <tt class="py-line"><tt class="py-docstring">        @return: the filename used (possibly with a .psy extension added)</tt> </tt>
<a name="L1170"></a><tt class="py-lineno">1170</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: str</tt> </tt>
<a name="L1171"></a><tt class="py-lineno">1171</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L1172"></a><tt class="py-lineno">1172</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">filename</tt><tt class="py-op">[</tt><tt class="py-op">-</tt><tt class="py-number">4</tt><tt class="py-op">:</tt><tt class="py-op">]</tt> <tt class="py-op">!=</tt> <tt class="py-string">'.psy'</tt><tt class="py-op">:</tt> </tt>
<a name="L1173"></a><tt class="py-lineno">1173</tt>  <tt class="py-line">            <tt class="py-name">filename</tt> <tt class="py-op">=</tt> <tt class="py-string">'%s.psy'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">filename</tt><tt class="py-op">)</tt> </tt>
<a name="L1174"></a><tt class="py-lineno">1174</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">compressed</tt><tt class="py-op">:</tt> </tt>
<a name="L1175"></a><tt class="py-lineno">1175</tt>  <tt class="py-line">            <tt class="py-name">f</tt> <tt class="py-op">=</tt> <tt class="py-name">bz2</tt><tt class="py-op">.</tt><tt class="py-name">BZ2File</tt><tt class="py-op">(</tt><tt class="py-name">filename</tt><tt class="py-op">,</tt><tt class="py-string">'w'</tt><tt class="py-op">)</tt> </tt>
<a name="L1176"></a><tt class="py-lineno">1176</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L1177"></a><tt class="py-lineno">1177</tt>  <tt class="py-line">            <tt class="py-name">f</tt> <tt class="py-op">=</tt> <tt class="py-name">file</tt><tt class="py-op">(</tt><tt class="py-name">filename</tt><tt class="py-op">,</tt><tt class="py-string">'w'</tt><tt class="py-op">)</tt> </tt>
<a name="L1178"></a><tt class="py-lineno">1178</tt>  <tt class="py-line">        <tt class="py-name">f</tt><tt class="py-op">.</tt><tt class="py-name">write</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-328" class="py-name"><a title="psychsim.action.Action.__xml__
psychsim.action.ActionSet.__xml__
psychsim.agent.Agent.__xml__
psychsim.agent.ValueFunction.__xml__
psychsim.probability.Distribution.__xml__
psychsim.pwl.KeyedMatrix.__xml__
psychsim.pwl.KeyedPlane.__xml__
psychsim.pwl.KeyedTree.__xml__
psychsim.pwl.KeyedVector.__xml__
psychsim.world.World.__xml__" class="py-name" href="#" onclick="return doclink('link-328', '__xml__', 'link-282');">__xml__</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">toprettyxml</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L1179"></a><tt class="py-lineno">1179</tt>  <tt class="py-line">        <tt class="py-name">f</tt><tt class="py-op">.</tt><tt class="py-name">close</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L1180"></a><tt class="py-lineno">1180</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">filename</tt> </tt>
</div></div><a name="L1181"></a><tt class="py-lineno">1181</tt>  <tt class="py-line"> </tt>
<a name="stateKey"></a><div id="stateKey-def"><a name="L1182"></a><tt class="py-lineno">1182</tt> <a class="py-toggle" href="#" id="stateKey-toggle" onclick="return toggle('stateKey');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world-module.html#stateKey">stateKey</a><tt class="py-op">(</tt><tt class="py-param">name</tt><tt class="py-op">,</tt><tt class="py-param">feature</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="stateKey-collapsed" style="display:none;" pad="++++" indent="++++"></div><div id="stateKey-expanded"><a name="L1183"></a><tt class="py-lineno">1183</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L1184"></a><tt class="py-lineno">1184</tt>  <tt class="py-line"><tt class="py-docstring">    @return: a key representation of a given entity's state feature</tt> </tt>
<a name="L1185"></a><tt class="py-lineno">1185</tt>  <tt class="py-line"><tt class="py-docstring">    @rtype: str</tt> </tt>
<a name="L1186"></a><tt class="py-lineno">1186</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L1187"></a><tt class="py-lineno">1187</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">name</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L1188"></a><tt class="py-lineno">1188</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">feature</tt> </tt>
<a name="L1189"></a><tt class="py-lineno">1189</tt>  <tt class="py-line">    <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L1190"></a><tt class="py-lineno">1190</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-string">'%s\'s %s'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">,</tt><tt class="py-name">feature</tt><tt class="py-op">)</tt> </tt>
</div><a name="L1191"></a><tt class="py-lineno">1191</tt>  <tt class="py-line">     </tt>
<a name="turnKey"></a><div id="turnKey-def"><a name="L1192"></a><tt class="py-lineno">1192</tt> <a class="py-toggle" href="#" id="turnKey-toggle" onclick="return toggle('turnKey');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world-module.html#turnKey">turnKey</a><tt class="py-op">(</tt><tt class="py-param">name</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="turnKey-collapsed" style="display:none;" pad="++++" indent="++++"></div><div id="turnKey-expanded"><a name="L1193"></a><tt class="py-lineno">1193</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt id="link-329" class="py-name"><a title="psychsim.world.stateKey" class="py-name" href="#" onclick="return doclink('link-329', 'stateKey', 'link-86');">stateKey</a></tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">,</tt><tt class="py-string">'_turn'</tt><tt class="py-op">)</tt> </tt>
</div><a name="L1194"></a><tt class="py-lineno">1194</tt>  <tt class="py-line"> </tt>
<a name="isTurnKey"></a><div id="isTurnKey-def"><a name="L1195"></a><tt class="py-lineno">1195</tt> <a class="py-toggle" href="#" id="isTurnKey-toggle" onclick="return toggle('isTurnKey');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world-module.html#isTurnKey">isTurnKey</a><tt class="py-op">(</tt><tt class="py-param">key</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="isTurnKey-collapsed" style="display:none;" pad="++++" indent="++++"></div><div id="isTurnKey-expanded"><a name="L1196"></a><tt class="py-lineno">1196</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">key</tt><tt class="py-op">[</tt><tt class="py-op">-</tt><tt class="py-number">8</tt><tt class="py-op">:</tt><tt class="py-op">]</tt> <tt class="py-op">==</tt> <tt class="py-string">'\'s _turn'</tt> </tt>
</div><a name="L1197"></a><tt class="py-lineno">1197</tt>  <tt class="py-line"> </tt>
<a name="turn2name"></a><div id="turn2name-def"><a name="L1198"></a><tt class="py-lineno">1198</tt> <a class="py-toggle" href="#" id="turn2name-toggle" onclick="return toggle('turn2name');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world-module.html#turn2name">turn2name</a><tt class="py-op">(</tt><tt class="py-param">key</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="turn2name-collapsed" style="display:none;" pad="++++" indent="++++"></div><div id="turn2name-expanded"><a name="L1199"></a><tt class="py-lineno">1199</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">key</tt><tt class="py-op">[</tt><tt class="py-op">:</tt><tt class="py-op">-</tt><tt class="py-number">8</tt><tt class="py-op">]</tt> </tt>
</div><a name="L1200"></a><tt class="py-lineno">1200</tt>  <tt class="py-line"> </tt>
<a name="actionKey"></a><div id="actionKey-def"><a name="L1201"></a><tt class="py-lineno">1201</tt> <a class="py-toggle" href="#" id="actionKey-toggle" onclick="return toggle('actionKey');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world-module.html#actionKey">actionKey</a><tt class="py-op">(</tt><tt class="py-param">feature</tt><tt class="py-op">)</tt><tt class="py-op">:</tt>     </tt>
</div><a name="L1202"></a><tt class="py-lineno">1202</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-string">'__action__%s__'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">feature</tt><tt class="py-op">)</tt> </tt>
</div><a name="L1203"></a><tt class="py-lineno">1203</tt>  <tt class="py-line"> </tt>
<a name="modelKey"></a><div id="modelKey-def"><a name="L1204"></a><tt class="py-lineno">1204</tt> <a class="py-toggle" href="#" id="modelKey-toggle" onclick="return toggle('modelKey');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world-module.html#modelKey">modelKey</a><tt class="py-op">(</tt><tt class="py-param">name</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="modelKey-collapsed" style="display:none;" pad="++++" indent="++++"></div><div id="modelKey-expanded"><a name="L1205"></a><tt class="py-lineno">1205</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt id="link-330" class="py-name"><a title="psychsim.world.stateKey" class="py-name" href="#" onclick="return doclink('link-330', 'stateKey', 'link-86');">stateKey</a></tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">,</tt><tt class="py-string">'_model'</tt><tt class="py-op">)</tt> </tt>
</div><a name="L1206"></a><tt class="py-lineno">1206</tt>  <tt class="py-line"> </tt>
<a name="isModelKey"></a><div id="isModelKey-def"><a name="L1207"></a><tt class="py-lineno">1207</tt> <a class="py-toggle" href="#" id="isModelKey-toggle" onclick="return toggle('isModelKey');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world-module.html#isModelKey">isModelKey</a><tt class="py-op">(</tt><tt class="py-param">key</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="isModelKey-collapsed" style="display:none;" pad="++++" indent="++++"></div><div id="isModelKey-expanded"><a name="L1208"></a><tt class="py-lineno">1208</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">key</tt><tt class="py-op">[</tt><tt class="py-op">-</tt><tt class="py-number">9</tt><tt class="py-op">:</tt><tt class="py-op">]</tt> <tt class="py-op">==</tt> <tt class="py-string">'\'s _model'</tt> </tt>
</div><a name="L1209"></a><tt class="py-lineno">1209</tt>  <tt class="py-line"> </tt>
<a name="model2name"></a><div id="model2name-def"><a name="L1210"></a><tt class="py-lineno">1210</tt> <a class="py-toggle" href="#" id="model2name-toggle" onclick="return toggle('model2name');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.world-module.html#model2name">model2name</a><tt class="py-op">(</tt><tt class="py-param">key</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="model2name-collapsed" style="display:none;" pad="++++" indent="++++"></div><div id="model2name-expanded"><a name="L1211"></a><tt class="py-lineno">1211</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">key</tt><tt class="py-op">[</tt><tt class="py-op">:</tt><tt class="py-op">-</tt><tt class="py-number">9</tt><tt class="py-op">]</tt> </tt>
</div><a name="L1212"></a><tt class="py-lineno">1212</tt>  <tt class="py-line"> </tt><script type="text/javascript">
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